Summary statistics for nhamcsed1998 dataset : by Jean Roth , jroth@nber.org , 28 Mar 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- vmonth | 24,175 6.434002 3.344103 1 12 vyear | 24,175 1997.97 .1699912 1997 1998 vdayr | 24,175 3.973071 2.03595 1 7 timevis | 0 age | 24,175 35.29278 24.00601 0 100 -------------+--------------------------------------------------------- arrive | 24,175 2.751934 .8241451 1 5 sex | 24,175 1.478759 .499559 1 2 pregnant | 24,175 3.082275 .9566027 1 4 race | 24,175 1.311562 .5401601 1 4 ethnic | 24,175 2.098035 .559656 1 3 -------------+--------------------------------------------------------- paytype | 24,175 3.075822 2.236568 1 9 hmo | 24,175 2.174354 .7514389 1 4 urgent | 24,175 2.615346 1.259827 1 5 pain | 24,175 2.263992 1.421088 1 6 waittime | 24,175 390.5435 461.5329 0 999 -------------+--------------------------------------------------------- rfv1 | 24,175 25389.7 18321.95 10050 90000 rfv2 | 24,175 60361.83 35207.27 10050 90000 rfv3 | 24,175 78666.58 26410.63 10050 90000 rfv13d | 24,175 2538.917 1832.221 1005 9000 rfv23d | 24,175 6036.159 3520.757 1005 9000 -------------+--------------------------------------------------------- rfv33d | 24,175 7866.65 2641.083 1005 9000 injury | 24,175 .3622751 .4806677 0 1 place | 24,175 7.423578 2.766203 1 9 intent | 24,175 4.28848 .9930707 1 5 workrel | 24,175 3.341717 .9501533 1 4 -------------+--------------------------------------------------------- cause1 | 0 cause2 | 0 cause3 | 0 cause13d | 0 cause23d | 0 -------------+--------------------------------------------------------- cause33d | 0 vcause | 0 diag1 | 0 diag2 | 0 diag3 | 0 -------------+--------------------------------------------------------- diag13d | 0 diag23d | 0 diag33d | 0 prdiag1 | 24,175 .0529886 .288433 0 2 prdiag2 | 24,175 1.34999 .9177234 0 2 -------------+--------------------------------------------------------- prdiag3 | 24,175 1.809142 .5806147 0 2 diagscrn | 24,175 .8849638 .321011 0 2 mentstat | 24,175 .1776215 .3822017 0 1 blodpres | 24,175 .7457291 .4354596 0 1 ekg | 24,175 .1440331 .3511305 0 1 -------------+--------------------------------------------------------- cardmon | 24,175 .0815305 .2736538 0 1 pulsoxim | 24,175 .1861841 .3892632 0 1 urine | 24,175 .1622751 .3687106 0 1 pregtest | 24,175 .0277559 .1642762 0 1 hivser | 24,175 .0022751 .0476445 0 1 -------------+--------------------------------------------------------- otherstd | 24,175 .007818 .0880749 0 1 bloodalc | 24,175 .019938 .13979 0 1 cbc | 24,175 .2491417 .432525 0 1 otherbld | 24,175 .229576 .4205689 0 1 otherscr | 24,175 .0854188 .2795097 0 1 -------------+--------------------------------------------------------- diagsc1 | 0 diagsc2 | 0 diagsc13 | 0 diagsc23 | 0 diagsc12 | 0 -------------+--------------------------------------------------------- diagsc22 | 0 chestxry | 24,175 .156029 .3628903 0 1 extrxray | 24,175 .106515 .308502 0 1 otherxry | 24,175 .1032885 .3043416 0 1 mri | 24,175 .0014478 .0380229 0 1 -------------+--------------------------------------------------------- ultrasnd | 24,175 .0175388 .1312703 0 1 catscan | 24,175 .0381386 .1915347 0 1 othdiag | 24,175 .0123681 .1105246 0 1 totdiag | 24,175 2.621841 3.235349 0 99 proc | 24,175 .4271768 .4970978 0 2 -------------+--------------------------------------------------------- endoint | 24,175 .0041365 .0641838 0 1 cpr | 24,175 .0026474 .0513854 0 1 ivfluids | 24,175 .1668252 .3728275 0 1 ngtube | 24,175 .0055843 .0745206 0 1 lumbpunc | 24,175 .0023164 .0480747 0 1 -------------+--------------------------------------------------------- bladcath | 24,175 .0192761 .1374966 0 1 wound | 24,175 .1174767 .3219942 0 1 eyeent | 24,175 .0350776 .1839797 0 1 orthoped | 24,175 .0697415 .2547161 0 1 obgyn | 24,175 .0230817 .1501661 0 1 -------------+--------------------------------------------------------- otherprc | 24,175 .0394623 .1946961 0 1 proc1 | 0 proc2 | 0 proc13 | 0 proc23 | 0 -------------+--------------------------------------------------------- proc12 | 0 proc22 | 0 totproc | 24,175 .6059979 3.468458 0 99 med | 24,175 .7056877 .4557424 0 1 med1 | 0 -------------+--------------------------------------------------------- med2 | 0 med3 | 0 med4 | 0 med5 | 0 med6 | 0 -------------+--------------------------------------------------------- nummed | 24,175 1.456132 1.427276 0 6 nodisp | 24,175 .0133609 .114817 0 1 nofollow | 24,175 .091334 .2880895 0 1 edprn | 24,175 .2566287 .4367818 0 1 refphys | 24,175 .1491624 .3562558 0 1 -------------+--------------------------------------------------------- outtriag | 24,175 .0031437 .0559821 0 1 refothph | 24,175 .4531541 .4978109 0 1 left | 24,175 .0141055 .1179283 0 1 admithos | 24,175 .1383247 .3452476 0 1 admitccu | 24,175 .0133195 .1146415 0 1 -------------+--------------------------------------------------------- transfer | 24,175 .0202275 .1407806 0 1 doa | 24,175 .0031437 .0559821 0 1 refsocs | 24,175 .0043433 .065762 0 1 otherdis | 24,175 .0196484 .1387917 0 1 noprovid | 24,175 .0131541 .1139368 0 1 -------------+--------------------------------------------------------- staffphy | 24,175 .8577456 .3493181 0 1 resint | 24,175 .1290176 .3352263 0 1 otherphy | 24,175 .0771872 .2668937 0 1 physasst | 24,175 .0439297 .2049429 0 1 nursepr | 24,175 .0112513 .1054759 0 1 -------------+--------------------------------------------------------- rn | 24,175 .8847156 .3193714 0 1 lpn | 24,175 .0448811 .2070472 0 1 mednurse | 24,175 .0633713 .2436345 0 1 emt | 24,175 .0641986 .2451114 0 1 otherprv | 24,175 .1115615 .3148327 0 1 -------------+--------------------------------------------------------- patwt | 24,175 4152.438 3215.355 36 14893 region | 24,175 2.357353 1.066806 1 4 urban | 24,175 1.163557 .3698811 1 2 ownsmg | 24,175 1.348542 .6192222 1 3 hospcode | 24,175 201.0335 114.841 1 398 -------------+--------------------------------------------------------- patcode | 24,175 37.03078 33.85725 1 351 vdatefl | 24,175 0 0 0 0 vtimefl | 24,175 .0247363 .1553236 0 1 bdatefl | 24,175 .0293692 .1688426 0 1 sexfl | 24,175 .0143123 .1187773 0 1 -------------+--------------------------------------------------------- racefl | 24,175 .1388211 .3457669 0 1 urgentfl | 24,175 .0215098 .1450794 0 1 gen1 | 0 prescr1 | 17,058 1.449467 .7205938 1 3 contsub1 | 17,058 5.598488 1.151761 2 7 -------------+--------------------------------------------------------- comstat1 | 17,058 1.213859 .4854598 1 3 drugcl1 | 0 drg1ing1 | 0 drg1ing2 | 0 drg1ing3 | 0 -------------+--------------------------------------------------------- drg1ing4 | 0 drg1ing5 | 0 gen2 | 0 prescr2 | 9,699 1.386019 .6673254 1 3 contsub2 | 9,699 5.63821 1.069626 2 7 -------------+--------------------------------------------------------- comstat2 | 9,699 1.20466 .4715837 1 3 drugcl2 | 0 drg2ing1 | 0 drg2ing2 | 0 drg2ing3 | 0 -------------+--------------------------------------------------------- drg2ing4 | 0 drg2ing5 | 0 gen3 | 0 prescr3 | 4,628 1.372299 .6687842 1 3 contsub3 | 4,628 5.619706 1.111533 2 7 -------------+--------------------------------------------------------- comstat3 | 4,628 1.224503 .4993493 1 3 drugcl3 | 0 drg3ing1 | 0 drg3ing2 | 0 drg3ing3 | 0 -------------+--------------------------------------------------------- drg3ing4 | 0 drg3ing5 | 0 gen4 | 0 prescr4 | 2,154 1.342154 .6589385 1 3 contsub4 | 2,154 5.639276 1.082461 2 7 -------------+--------------------------------------------------------- comstat4 | 2,154 1.1987 .4852475 1 3 drugcl4 | 0 drg4ing1 | 0 drg4ing2 | 0 drg4ing3 | 0 -------------+--------------------------------------------------------- drg4ing4 | 0 drg4ing5 | 0 gen5 | 0 prescr5 | 1,081 1.301573 .6098629 1 3 contsub5 | 1,081 5.689177 .9773184 2 7 -------------+--------------------------------------------------------- comstat5 | 1,081 1.154487 .4294708 1 3 drugcl5 | 0 drg5ing1 | 0 drg5ing2 | 0 drg5ing3 | 0 -------------+--------------------------------------------------------- drg5ing4 | 0 drg5ing5 | 0 gen6 | 0 prescr6 | 582 1.295533 .605722 1 3 contsub6 | 582 5.805842 .8055959 2 7 -------------+--------------------------------------------------------- comstat6 | 582 1.156357 .4596854 1 3 drugcl6 | 0 drg6ing1 | 0 drg6ing2 | 0 drg6ing3 | 0 -------------+--------------------------------------------------------- drg6ing4 | 0 drg6ing5 | 0 racer | 24,175 1.307342 .5227689 1 3 agedays | 24,175 972.4442 146.0925 1 999 ager | 24,175 2.968976 1.494242 1 6 -------------+--------------------------------------------------------- cause1r | 24,175 2813.426 4164.764 0 9890 cause2r | 24,175 400.4983 1819.198 0 9890 cause3r | 24,175 18.00893 396.0044 0 9804 diag1r | 24,175 178389.7 96578.26 100590 900000 diag2r | 24,175 647004.8 350750.8 100590 900000 -------------+--------------------------------------------------------- diag3r | 24,175 826183.9 222201.3 100500 900000 diagsc1r | 24,175 766.2778 2515.445 0 9999 diagsc2r | 24,175 53.31487 698.9313 0 9999 proc1r | 24,175 340.2 1726.425 0 9999 proc2r | 24,175 13.53576 347.3363 0 9999 -------------+--------------------------------------------------------- stratm | 24,175 304.9008 100.1217 201 404 psum | 24,175 14.05746 14.52541 1 46 year | 24,175 1998 0 1998 1998 subfile | 24,175 2 0 2 2 prostrat | 24,175 1.007528 .0864411 1 2 -------------+--------------------------------------------------------- provider | 24,175 201.0335 114.841 1 398 dept | 24,175 1 0 1 1 su | 24,175 1.216711 .6761441 1 6 clinic | 24,175 1.21667 .6666382 1 6 poppsum | 24,175 -.0255222 .9996949 -1 1 -------------+--------------------------------------------------------- popsum | 24,175 -.011789 .1079377 -1 0 popvism | 24,175 -.4872389 .4998475 -1 0 popprovm | 24,175 156.8846 163.3613 0 348 by Jean Roth , jroth@nber.org , 28 Mar 2016