Table 1. Clinical characteristics of patients receiving organ transplantation comparing to at risk population for cancer.
| Variables | All | Heart/Lung | Kidney | Liver |
|---|---|---|---|---|
| No. | 6265 | 1047 | 3259 | 1959 |
| Age (years) (mean ± standard deviation) | 42.50±15.56 | 45.74±14.73 | 41.52±12.50 | 42.39±19.77 |
| Sex | ||||
| Male | 3752(59.89) | 247(23.59) | 1647(50.54) | 1305(66.62) |
| Female | 2513(40.11) | 800(76.41) | 1612(49.46) | 654(33.38) |
| Place of residence, No. (%) | ||||
| Urban | 2102(33.55) | 369(35.24) | 1202(36.88) | 531(27.11) |
| Suburban | 1808(28.86) | 284(27.13) | 966(29.64) | 558(28.48) |
| Rural | 2349(37.49) | 394(37.63) | 1086(33.32) | 869(44.36) |
| Unknown | 6(0.10) | 0 | 5(0.15) | 1(0.05) |
| Income levels, No. (%) | ||||
| Quintile 1 | 1153(18.40) | 234(22.35) | 578(17.74) | 341(17.41) |
| Quintile 2 | 701(11.19) | 124(11.84) | 389(11.94) | 188(9.6) |
| Quintile 3 | 1689(26.96) | 274(26.17) | 875(26.85) | 540(27.57) |
| Quintile 4 | 1262(20.14) | 201(19.20) | 637(19.55) | 424(21.64) |
| Quintile 5 | 1387(22.14) | 199(19.01) | 752(23.07) | 436(22.26) |
| Unknown | 73(1.17) | 15(1.43) | 28(0.86) | 30(1.53) |
| Occupation, No. (%) | ||||
| Dependents of the insured individuals | 1552(24.77) | 234(22.35) | 644(19.76) | 674(34.41) |
| Civil servants, teachers, military personnel and veterans | 309(4.93) | 46(4.39) | 179(5.49) | 84(4.29) |
| Non-manual workers and professionals | 1566(25.00) | 265(25.31) | 929(28.51) | 372(18.99) |
| Manual workers | 2189(34.94) | 346(33.05) | 1182(36.27) | 661(33.74) |
| Other | 649(10.36) | 156(14.90) | 325(9.97) | 168(8.58) |
| Person-years of follow-up (years) | 35363 | 4898 | 21751 | 8714 |
| Died (per 1000 person-year) | 1415 (40.01) | 513 (104.74) | 472 (21.70) | 430 (49.35) |
| SMR (95% CI) | 2.71(2.57-2.85) | 5.77(5.30-6.30) | 1.47(1.34-1.61) | 3.83(3.48-4.2) |