Table 2.
Crude hazard ratios for cancer in patients in the Inso-Hyp, Inso-NonHyp, NonInso-Hyp, and NonInso-NonHyp groups
| Variable | Cancer | |||
|---|---|---|---|---|
| Cases | PY | Incidence | CHR (95% CI) | |
| Age (y) | ||||
| Younger than 30 | 7 | 10782.79 | 0.65 | 1.00 |
| 30-44 | 100 | 83935.98 | 1.19 | 1.88 (0.88-4.05) |
| 45-64 | 494 | 137295.32 | 3.60 | 5.75 (2.73-12.12)** |
| 65 or older | 469 | 53457.42 | 8.77 | 14.00 (6.64-29.52)** |
| Sex | ||||
| Female | 368 | 127644.11 | 2.88 | 1.00 |
| Male | 702 | 157827.40 | 4.45 | 1.55 (1.37-1.76)** |
| Income (US$) | ||||
| ≥1281 (≥NT$40000) | 84 | 27310.87 | 3.08 | 1.00 |
| 640-1280 (NT$20000-$39999) | 144 | 50524.91 | 2.85 | 0.93 (0.71-1.22) |
| <640 (<NT$20000) | 842 | 207635.73 | 4.06 | 1.34 (1.07-1.67)* |
| Region | ||||
| Northern | 530 | 152126.20 | 3.48 | 1.00 |
| Central | 224 | 55922.83 | 4.01 | 1.14 (0.98-1.33) |
| Southern | 294 | 71482.77 | 4.11 | 1.18 (1.02-1.36)* |
| Eastern | 22 | 5939.71 | 3.70 | 1.06 (0.69-1.63) |
| Urbanization | ||||
| Urban | 583 | 164425.75 | 3.55 | 1.00 |
| Suburban | 362 | 92145.41 | 3.93 | 1.11 (0.97-1.26) |
| Rural | 125 | 28900.35 | 4.33 | 1.23 (1.01-1.49)* |
| CCI | ||||
| 0 | 285 | 117425.26 | 2.43 | 1.00 |
| 1 | 272 | 68558.74 | 3.97 | 1.59 (1.35-1.88)** |
| ≥2 | 513 | 99487.52 | 5.16 | 2.04 (1.76-2.36)** |
| Group1 | ||||
| Inso-NonHyp | 392 | 119187.82 | 3.29 | 1.00 |
| Inso-Hyp | 133 | 28097.40 | 4.73 | 1.47 (1.21-1.79)** |
| Group2 | ||||
| NonInso-NonHyp | 410 | 113218.87 | 3.62 | 1.00 |
| NonInso-Hyp | 135 | 24967.32 | 5.41 | 1.65 (1.36-2.01)** |
Incidence, incidence density (1000 per person-years). *: p < .05. **: p < .001. CHR, crude hazard ratio; CCI, Charlson comorbidity index; CI, confidence interval; PY, person years.