Summary statistics for nhamcsed1992 dataset : by Jean Roth , jroth@nber.org , 28 Mar 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- vmonth | 36,271 6.389319 3.615072 1 12 vday | 36,271 15.61027 8.765676 1 31 vyear | 36,271 91.91208 .2831846 91 92 age | 36,271 32.6956 24.04547 0 99 sex | 36,271 1.482286 .499693 1 2 -------------+--------------------------------------------------------- race | 36,271 1.27981 .5397159 1 4 ethnic | 36,271 1.871412 .3347475 1 2 medicare | 36,271 .1453227 .3524308 0 1 medicaid | 36,271 .2322792 .422292 0 1 othgovt | 36,271 .0447189 .2066889 0 1 -------------+--------------------------------------------------------- privins | 36,271 .3289405 .4698348 0 1 hmo | 36,271 .0915608 .2884089 0 1 selfpay | 36,271 .1460671 .3531783 0 1 nocharge | 36,271 .005514 .0740526 0 1 othpay | 36,271 .0727854 .2597875 0 1 -------------+--------------------------------------------------------- unkpay | 36,271 .0180861 .1332646 0 1 reason | 36,271 2.581511 1.367841 1 9 cause1 | 36,271 82850.42 4168.9 80000 89990 cause2 | 36,271 80528.84 2057.825 80000 89760 cause3 | 36,271 80004.85 206.514 80000 89688 -------------+--------------------------------------------------------- cause13d | 36,271 8284.915 416.7076 8000 8999 cause23d | 36,271 8052.862 205.698 8000 8976 cause33d | 36,271 8000.484 20.6381 8000 8968 rfv1 | 36,271 25196.65 18313.6 10050 90000 rfv2 | 36,271 62393.14 35449.16 10050 90000 -------------+--------------------------------------------------------- rfv3 | 36,271 80710.21 24479.25 10050 90000 rfv13d | 36,271 2519.612 1831.388 1005 9000 rfv23d | 36,271 6239.29 3544.948 1005 9000 rfv33d | 36,271 8071.014 2447.943 1005 9000 diag1 | 36,271 175188.6 81171.65 100490 900000 -------------+--------------------------------------------------------- diag2 | 36,271 676878.8 339309.3 100490 900000 diag3 | 36,271 849558.3 186852.8 100380 900000 diag13d | 36,271 1751.5 811.784 1004 9000 diag23d | 36,271 6768.658 3393.292 1004 9000 diag33d | 36,271 8495.555 1868.634 1003 9000 -------------+--------------------------------------------------------- urgent | 36,271 1.540266 .4983829 1 2 alcdrug | 36,271 1.061978 .325748 1 4 med | 36,271 .324419 .4681638 0 1 nummed | 36,271 1.26393 1.244767 0 5 med1 | 0 -------------+--------------------------------------------------------- med2 | 0 med3 | 0 med4 | 0 med5 | 0 nodiagsc | 36,271 .1230184 .3284628 0 1 -------------+--------------------------------------------------------- blodpres | 36,271 .7284332 .4447738 0 1 urine | 36,271 .1548069 .3617255 0 1 hivser | 36,271 .0028397 .0532142 0 1 othblood | 36,271 .2874748 .4525911 0 1 ekg | 36,271 .1331918 .3397866 0 1 -------------+--------------------------------------------------------- mentstat | 36,271 .0614541 .2401646 0 1 chestxry | 36,271 .1687298 .3745183 0 1 extrxray | 36,271 .1472526 .3543625 0 1 ctmri | 36,271 .0245651 .1547976 0 1 othimag | 36,271 .1006865 .3009173 0 1 -------------+--------------------------------------------------------- othdiag | 36,271 .2022552 .4016871 0 1 procnone | 36,271 .5862259 .4925158 0 1 endoint | 36,271 .0041907 .0646005 0 1 cpr | 36,271 .0027846 .0526965 0 1 ivfluids | 36,271 .1477765 .3548832 0 1 -------------+--------------------------------------------------------- ngtube | 36,271 .0093463 .0962248 0 1 wound | 36,271 .1215572 .3267782 0 1 eyeent | 36,271 .0266053 .160929 0 1 orthoped | 36,271 .0774999 .2673867 0 1 bladcath | 36,271 .0253646 .1572321 0 1 -------------+--------------------------------------------------------- lumbpunc | 36,271 .0029224 .0539813 0 1 othproc | 36,271 .0703041 .2556623 0 1 edprn | 36,271 .2474704 .4315483 0 1 edappt | 36,271 .0475862 .2128921 0 1 refphys | 36,271 .1965206 .3973722 0 1 -------------+--------------------------------------------------------- refothph | 36,271 .3904772 .487864 0 1 admithos | 36,271 .1390091 .3459608 0 1 transfer | 36,271 .0127099 .1120209 0 1 doa | 36,271 .0028949 .0537268 0 1 leftama | 36,271 .0122963 .1102064 0 1 -------------+--------------------------------------------------------- nofollow | 36,271 .0605718 .2385465 0 1 otherdis | 36,271 .049847 .2176317 0 1 resint | 36,271 .1679854 .3738585 0 1 staffphy | 36,271 .8343305 .3717889 0 1 otherphy | 36,271 .096358 .2950856 0 1 -------------+--------------------------------------------------------- physasst | 36,271 .0240964 .1533506 0 1 nursprac | 36,271 .0182239 .1337621 0 1 rn | 36,271 .8321248 .3737605 0 1 lpn | 36,271 .0589452 .2355253 0 1 nursaid | 36,271 .1029748 .3039302 0 1 -------------+--------------------------------------------------------- patwt | 36,271 2475.69 2386.053 33 21449 region | 36,271 2.474456 1.080393 1 4 msa | 36,271 1.105759 .3075337 1 2 ownsmg | 36,271 1.105759 .3075337 1 2 hospcode | 36,271 206.5825 117.9553 1 407 -------------+--------------------------------------------------------- bdatefl | 36,271 .0136473 .1160232 0 1 sexfl | 36,271 .0023435 .0483533 0 1 racefl | 36,271 .0801742 .2715665 0 1 ethnicfl | 36,271 .1270988 .3330882 0 1 urgentfl | 36,271 .0194094 .137961 0 1 -------------+--------------------------------------------------------- alcfl | 36,271 .0698354 .2548729 0 1 dispfl | 36,271 .0097874 .0984475 0 1 provfl | 36,271 .0097323 .0981725 0 1 gen1 | 0 prescr1 | 24,504 1.453191 .7260946 1 3 -------------+--------------------------------------------------------- contsub1 | 24,504 5.636019 1.130303 2 7 comstat1 | 24,504 1.253877 .5347047 1 3 drugcl1 | 0 drg1ing1 | 0 drg1ing2 | 0 -------------+--------------------------------------------------------- drg1ing3 | 0 drg1ing4 | 0 drg1ing5 | 0 gen2 | 0 prescr2 | 12,790 1.420485 .6907809 1 3 -------------+--------------------------------------------------------- contsub2 | 12,790 5.684597 1.048875 2 7 comstat2 | 12,790 1.290696 .5654582 1 3 drugcl2 | 0 drg2ing1 | 0 drg2ing2 | 0 -------------+--------------------------------------------------------- drg2ing3 | 0 drg2ing4 | 0 drg2ing5 | 0 gen3 | 0 prescr3 | 5,302 1.38891 .6864726 1 3 -------------+--------------------------------------------------------- contsub3 | 5,302 5.651264 1.112447 2 7 comstat3 | 5,302 1.289325 .5716327 1 3 drugcl3 | 0 drg3ing1 | 0 drg3ing2 | 0 -------------+--------------------------------------------------------- drg3ing3 | 0 drg3ing4 | 0 drg3ing5 | 0 gen4 | 0 prescr4 | 2,237 1.37595 .688789 1 3 -------------+--------------------------------------------------------- contsub4 | 2,237 5.635673 1.126616 2 7 comstat4 | 2,237 1.259723 .5490686 1 3 drugcl4 | 0 drg4ing1 | 0 drg4ing2 | 0 -------------+--------------------------------------------------------- drg4ing3 | 0 drg4ing4 | 0 drg4ing5 | 0 gen5 | 0 prescr5 | 1,011 1.341246 .6669496 1 3 -------------+--------------------------------------------------------- contsub5 | 1,011 5.703264 1.033584 2 7 comstat5 | 1,011 1.233432 .5494462 1 3 drugcl5 | 0 drg5ing1 | 0 drg5ing2 | 0 -------------+--------------------------------------------------------- drg5ing3 | 0 drg5ing4 | 0 drg5ing5 | 0 patcode | 36,271 59.21968 52.88852 1 363 stratm | 36,271 303.4563 100.0789 201 404 -------------+--------------------------------------------------------- psum | 36,271 13.76819 14.18724 1 49 year | 36,271 1992 0 1992 1992 subfile | 36,271 2 0 2 2 prostrat | 36,271 1.00306 .055236 1 2 provider | 36,271 206.5825 117.9553 1 407 -------------+--------------------------------------------------------- dept | 36,271 1 0 1 1 su | 36,271 1.130021 .5307428 1 6 clinic | 36,271 1.130021 .5307428 1 6 poppsum | 36,271 -.0099529 .9999643 -1 1 popsum | 36,271 -.0022056 .0469128 -1 0 -------------+--------------------------------------------------------- popvism | 36,271 -.4950236 .4999821 -1 0 popprovm | 36,271 169.0739 173.8994 0 398 by Jean Roth , jroth@nber.org , 28 Mar 2016