Table 1.
Demographic and clinical characteristics of patients by mean hospital costs
| Variable | N (%) | Mean cost (US$) | Std. deviation | Median | CI (95%) for mean | P-value |
|---|---|---|---|---|---|---|
| Age | ||||||
| <65 | 57(34.5) | 791 | 1744 | 290 | [329; 1254] | 0.118 |
| >65 | 108(65.5) | 1033 | 1614 | 474 | [725; 1341] | |
| Female | 45(27.3) | 1251 | 2287 | 378 | [564 ; 1939] | 0.863 |
| Male | 120(72.7) | 837 | 1345 | 386 | [594; 1080] | |
| Urban | 151(91.5) | 941 | 1662 | 386 | [674; 1209] | 0.472 |
| Rural | 14(8.5) | 1043 | 1678 | 275 | [74; 2012] | |
| Type of medical insurance | ||||||
| uninsured | 20(12.1) | 1613 | 2762 | 278 | [320 ; 2906] | |
| Social security insurance | 69(41.8) | 929 | 1722 | 396 | [515 ; 1343] | |
| Iranian health insurance | 18(10.9) | 1155 | 1599 | 658 | [360 ; 1951] | |
| Rural health insurance | 38(23) | 648 | 946 | 336 | [337 ; 959] | 0.137 |
| Military medical insurance | 4(2.4) | 1497 | 1027 | 1258 | [−136; 3132] | |
| Others | 16(9.7) | 559 | 733 | 236 | [168 ; 950] | |
| Family History | 9(5.5) | 1253 | 1121 | 921 | [391 ; 2114] | 0.036 |
| Disease history | 21(12.7) | 716 | 810 | 535 | [347 ; 1085] | 0.488 |
| Hypertension | 67(40.6) | 1422 | 2342 | 448 | [851 ; 1993] | 0.017 |
| Diabetes | 46(27.9) | 928 | 1833 | 339 | [384 ; 1473] | 0.366 |
| Hyperlipidemia | 6(3.6) | 1332 | 2491 | 357 | [−1282; 3947] | 0.734 |
| Myocardial Infraction | 4(2.4) | 946 | 1253 | 334 | [−1048; 2941] | 0.695 |
| Smoking | 96(58.2) | 964 | 1615 | 361 | [636 ; 1291] | 0.692 |
| Orthopnea | 25(15.2) | 1447 | 1886 | 386 | [668 ; 2225] | 0.177 |
| Asthma | 19(11.5) | 854 | 1222 | 386 | [265 ; 1443] | 0.980 |
| Cerebra Vascular Attack | 7(4.2) | 1114 | 1891 | 216 | [−635; 2864] | 0.588 |
CI: Confidence Interval