Summary statistics for nhamcsed1997 dataset : by Jean Roth , jroth@nber.org , 28 Mar 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- vmonth | 22,209 6.502589 3.432724 1 12 vyear | 22,209 1996.969 .1743563 1996 1997 vdayr | 22,209 3.979243 2.040934 1 7 timevis | 0 age | 22,209 35.34527 24.17433 0 100 -------------+--------------------------------------------------------- arrive | 22,209 2.747265 .8086571 1 5 sex | 22,209 1.476564 .4994617 1 2 pregnant | 22,209 3.105408 .9369112 1 4 race | 22,209 1.29371 .5324118 1 4 ethnic | 22,209 2.116574 .5600306 1 3 -------------+--------------------------------------------------------- paytype | 22,209 2.935882 2.100423 1 9 hmo | 22,209 2.142285 .7090902 1 4 urgent | 22,209 2.716376 1.240752 1 5 pain | 22,209 2.34432 1.403506 1 6 waittime | 22,209 373.4409 459.5444 0 999 -------------+--------------------------------------------------------- rfv1 | 22,209 26043.57 19049.5 10050 90000 rfv2 | 22,209 59228.58 35201.94 10050 90000 rfv3 | 22,209 78028.89 27014.55 10050 90000 rfv13d | 22,209 2604.306 1904.977 1005 9000 rfv23d | 22,209 5922.833 3520.224 1005 9000 -------------+--------------------------------------------------------- rfv33d | 22,209 7802.88 2701.475 1005 9000 injury | 22,209 .3708407 .4830408 0 1 place | 22,209 7.368995 2.811926 1 9 intent | 22,209 4.270206 .9998085 1 5 workrel | 22,209 3.325138 .9550689 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 | 22,209 .0495745 .2669353 0 2 prdiag2 | 22,209 1.32739 .9261877 0 2 -------------+--------------------------------------------------------- prdiag3 | 22,209 1.804043 .5861175 0 2 diagscrn | 22,209 .870548 .3381129 0 2 mentstat | 22,209 .1574137 .3641985 0 1 blodpres | 22,209 .7331712 .4423121 0 1 ekg | 22,209 .146247 .3533616 0 1 -------------+--------------------------------------------------------- cardmon | 22,209 .0836598 .2768831 0 1 pulsoxim | 22,209 .1842947 .387733 0 1 urine | 22,209 .1561529 .3630084 0 1 pregtest | 22,209 .026971 .1620024 0 1 hivser | 22,209 .0020262 .0449688 0 1 -------------+--------------------------------------------------------- otherstd | 22,209 .0095007 .0970094 0 1 bloodalc | 22,209 .016795 .1285055 0 1 cbc | 22,209 .247017 .4312864 0 1 otherbld | 22,209 .2337341 .4232145 0 1 otherscr | 22,209 .0658742 .2480676 0 1 -------------+--------------------------------------------------------- diagsc1 | 0 diagsc2 | 0 diagsc13 | 0 diagsc23 | 0 diagsc12 | 0 -------------+--------------------------------------------------------- diagsc22 | 0 chestxry | 22,209 .161376 .3678857 0 1 extrxray | 22,209 .1074339 .3096711 0 1 otherxry | 22,209 .1062182 .3081236 0 1 mri | 22,209 .0020262 .0449688 0 1 -------------+--------------------------------------------------------- ultrasnd | 22,209 .0153541 .1229596 0 1 catscan | 22,209 .0325994 .1775897 0 1 othdiag | 22,209 .0111666 .1050831 0 1 totdiag | 22,209 2.583457 3.481913 0 99 proc | 22,209 .418434 .4933132 0 1 -------------+--------------------------------------------------------- endoint | 22,209 .003422 .0583993 0 1 cpr | 22,209 .0023864 .0487938 0 1 ivfluids | 22,209 .1659688 .372061 0 1 ngtube | 22,209 .0059886 .0771555 0 1 lumbpunc | 22,209 .0027466 .0523375 0 1 -------------+--------------------------------------------------------- bladcath | 22,209 .021928 .146452 0 1 wound | 22,209 .1227881 .3282012 0 1 eyeent | 22,209 .0282768 .1657664 0 1 orthoped | 22,209 .0737539 .2613758 0 1 obgyn | 22,209 .0187762 .1357367 0 1 -------------+--------------------------------------------------------- otherprc | 22,209 .0349858 .183748 0 1 proc1 | 0 proc2 | 0 proc13 | 0 proc23 | 0 -------------+--------------------------------------------------------- proc12 | 0 proc22 | 0 totproc | 22,209 .482282 .6405233 0 7 med | 22,209 .7063803 .45543 0 1 med1 | 0 -------------+--------------------------------------------------------- med2 | 0 med3 | 0 med4 | 0 med5 | 0 med6 | 0 -------------+--------------------------------------------------------- nummed | 22,209 1.477464 1.451872 0 6 nodisp | 22,209 .0153992 .123137 0 1 nofollow | 22,209 .0914044 .2881898 0 1 edprn | 22,209 .2584988 .4378194 0 1 refphys | 22,209 .1594399 .366094 0 1 -------------+--------------------------------------------------------- outtriag | 22,209 .0031969 .056452 0 1 refothph | 22,209 .44545 .4970266 0 1 left | 22,209 .010041 .0997026 0 1 admithos | 22,209 .1380521 .3449625 0 1 admitccu | 22,209 .0172453 .1301869 0 1 -------------+--------------------------------------------------------- transfer | 22,209 .0190463 .1366909 0 1 doa | 22,209 .0029718 .0544341 0 1 refsocs | 22,209 .0041425 .06423 0 1 otherdis | 22,209 .0172903 .1303537 0 1 noprovid | 22,209 .013373 .1148683 0 1 -------------+--------------------------------------------------------- staffphy | 22,209 .8631636 .3436823 0 1 resint | 22,209 .126075 .3319414 0 1 otherphy | 22,209 .0788419 .2694979 0 1 physasst | 22,209 .0398487 .1956081 0 1 nursepr | 22,209 .0160746 .1257652 0 1 -------------+--------------------------------------------------------- rn | 22,209 .868972 .3374385 0 1 lpn | 22,209 .0547526 .2275018 0 1 mednurse | 22,209 .0707371 .2563909 0 1 emt | 22,209 .0679004 .2515806 0 1 otherprv | 22,209 .0866766 .2813669 0 1 -------------+--------------------------------------------------------- patwt | 22,209 4274.644 3173.881 68 17629 region | 22,209 2.450718 1.050643 1 4 urban | 22,209 1.158945 .3656326 1 2 ownsmg | 22,209 1.618083 .8593594 1 3 hospcode | 22,209 201.2253 114.5001 1 392 -------------+--------------------------------------------------------- patcode | 22,209 32.76104 25.21957 1 205 vdatefl | 22,209 0 0 0 0 vtimefl | 22,209 .013508 .115439 0 1 bdatefl | 22,209 .0337701 .1806409 0 1 sexfl | 22,209 .0131028 .1137176 0 1 -------------+--------------------------------------------------------- racefl | 22,209 .1146832 .3186465 0 1 urgentfl | 22,209 .0181458 .1334816 0 1 gen1 | 0 prescr1 | 15,688 1.437851 .7129383 1 3 contsub1 | 15,688 5.580189 1.161173 2 7 -------------+--------------------------------------------------------- comstat1 | 15,688 1.208758 .4725739 1 3 drugcl1 | 0 drg1ing1 | 0 drg1ing2 | 0 drg1ing3 | 0 -------------+--------------------------------------------------------- drg1ing4 | 0 drg1ing5 | 0 gen2 | 0 prescr2 | 9,001 1.405177 .6842123 1 3 contsub2 | 9,001 5.660704 1.051232 2 7 -------------+--------------------------------------------------------- comstat2 | 9,001 1.223753 .4992619 1 3 drugcl2 | 0 drg2ing1 | 0 drg2ing2 | 0 drg2ing3 | 0 -------------+--------------------------------------------------------- drg2ing4 | 0 drg2ing5 | 0 gen3 | 0 prescr3 | 4,366 1.368301 .6669712 1 3 contsub3 | 4,366 5.645442 1.068892 2 7 -------------+--------------------------------------------------------- comstat3 | 4,366 1.227439 .5095093 1 3 drugcl3 | 0 drg3ing1 | 0 drg3ing2 | 0 drg3ing3 | 0 -------------+--------------------------------------------------------- drg3ing4 | 0 drg3ing5 | 0 gen4 | 0 prescr4 | 2,105 1.312589 .6259276 1 3 contsub4 | 2,105 5.637055 1.077931 2 7 -------------+--------------------------------------------------------- comstat4 | 2,105 1.213777 .4970447 1 3 drugcl4 | 0 drg4ing1 | 0 drg4ing2 | 0 drg4ing3 | 0 -------------+--------------------------------------------------------- drg4ing4 | 0 drg4ing5 | 0 gen5 | 0 prescr5 | 1,073 1.321528 .6421692 1 3 contsub5 | 1,073 5.743709 .9376654 2 7 -------------+--------------------------------------------------------- comstat5 | 1,073 1.164958 .4548684 1 3 drugcl5 | 0 drg5ing1 | 0 drg5ing2 | 0 drg5ing3 | 0 -------------+--------------------------------------------------------- drg5ing4 | 0 drg5ing5 | 0 gen6 | 0 prescr6 | 580 1.284483 .61369 1 3 contsub6 | 580 5.677586 .991073 2 7 -------------+--------------------------------------------------------- comstat6 | 580 1.160345 .4477692 1 3 drugcl6 | 0 drg6ing1 | 0 drg6ing2 | 0 drg6ing3 | 0 -------------+--------------------------------------------------------- drg6ing4 | 0 drg6ing5 | 0 racer | 22,209 1.289297 .513781 1 3 agedays | 22,209 969.1569 155.0864 0 999 ager | 22,209 2.975235 1.49664 1 6 -------------+--------------------------------------------------------- cause1r | 22,209 3001.201 4241.252 0 9919 cause2r | 22,209 420.4468 1861.977 0 9804 cause3r | 22,209 13.69328 345.0584 0 9675 diag1r | 22,209 175413.1 83624.65 100490 900000 diag2r | 22,209 639219.5 352783.7 100590 900000 -------------+--------------------------------------------------------- diag3r | 22,209 823860.6 224896.1 100500 900000 diagsc1r | 22,209 594.6852 2242.289 0 9999 diagsc2r | 22,209 37.95921 585.7154 0 9999 proc1r | 22,209 300.2509 1624.297 0 9999 proc2r | 22,209 9.25269 277.9763 0 9999 -------------+--------------------------------------------------------- stratm | 22,209 306.062 100.0402 201 404 psum | 22,209 14.30258 14.754 1 46 year | 22,209 1997 0 1997 1997 subfile | 22,209 2 0 2 2 prostrat | 22,209 1.007474 .0861331 1 2 -------------+--------------------------------------------------------- provider | 22,209 201.2253 114.5001 1 392 dept | 22,209 1 0 1 1 su | 22,209 1.387681 3.185884 1 70 clinic | 22,209 1.204377 .6996595 1 8 poppsum | 22,209 -.0362466 .9993654 -1 1 -------------+--------------------------------------------------------- popsum | 22,209 -.0163898 .1269719 -1 0 popvism | 22,209 -.4818767 .4996827 -1 0 popprovm | 22,209 157.2504 165.331 0 353 by Jean Roth , jroth@nber.org , 28 Mar 2016