Table 2.
The incidence rate of bladder cancer in CIDC patients and non-CIDC patients.
| CIDC | Non-CIDC | IRR(95% CI) | p-value | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Patients | Bladder cancer (%) | PY | Incidence rate* | Patients | Bladder cancer (%) | PY | Incidence rate* | |||
| Overall | 72971 | 801(1.10) | 375540.55 | 213.29 | 145942 | 328(0.22) | 803207.90 | 40.84 | 5.23(4.60-5.94) | <0.0001 |
| Gender | ||||||||||
| Male | 44225 | 640(1.45) | 234118.86 | 273.37 | 88450 | 278(0.31) | 487488.55 | 57.03 | 4.80(4.17-5.52) | <0.0001 |
| Female | 28746 | 161(0.56) | 141421.69 | 113.84 | 57492 | 50(0.09) | 315719.35 | 15.84 | 7.19(5.24-9.88) | <0.0001 |
| Age group | ||||||||||
| <50 | 8369 | 32(0.38) | 61969.52 | 51.64 | 16697 | 4(0.02) | 139155.08 | 2.87 | 17.97(6.35-50.80) | <0.0001 |
| 50-65 | 12090 | 151(1.25) | 75722.72 | 199.41 | 24235 | 21(0.09) | 181062.92 | 11.6 | 17.20(10.89-27.14) | <0.0001 |
| >=65 | 52512 | 618(1.18) | 237848.30 | 259.83 | 105010 | 303(0.29) | 482989.91 | 62.73 | 4.15(3.61-4.76) | <0.0001 |
| Comorbidity | ||||||||||
| Hypertension | 26378 | 315(1.19) | 121675.22 | 258.89 | 52048 | 147(0.28) | 245074.39 | 59.98 | 4.32(3.55-5.25) | <0.0001 |
| Hyperlipidemia | 4895 | 67(1.37) | 24370.14 | 274.93 | 13475 | 48(0.36) | 72999.29 | 65.75 | 4.18(2.89-6.06) | <0.0001 |
| CKD | 422 | 6(1.42) | 501.25 | 1197.00 | 831 | 1(0.12) | 860.82 | 116.17 | 10.36(1.25-86.04) | 0.0304 |
| COPD | 7606 | 73(0.96) | 31365.91 | 232.74 | 13355 | 38(0.28) | 42857.49 | 88.67 | 2.63(1.78-3.89) | <0.0001 |
| Liver disease | 3790 | 34(0.90) | 19459.82 | 174.72 | 7458 | 15(0.20) | 37294.06 | 40.22 | 4.35(2.37-7.98) | <0.0001 |
| Complication | ||||||||||
| BHP | 19300 | 381(1.97) | 96377.73 | 395.32 | 17521 | 141(0.8) | 102242.43 | 137.91 | 2.87(2.36-3.48) | <0.0001 |
| UTI | 42286 | 329(0.78) | 187867.65 | 175.12 | 13025 | 74(0.57) | 55421.74 | 133.52 | 1.31(1.02-1.69) | 0.0350 |
| Urinary Tract Stones | 3143 | 67(2.13) | 16825.59 | 398.2 | 1387 | 21(1.51) | 8315.09 | 252.55 | 1.58(0.97-2.57) | 0.0687 |
* per 100000 person-years; * CIDC: chronic indwelling catheter; CKD: chronic kidney disease; COPD: chronic obstructive pulmonary disease; BPH: benign prostatic hyperplasia; UTI: urinary tract infections; PY: person-years; IRR: incidence rate ratio; CI: confidence interval.
Note: Patients may have more than one comorbidity or complication; thus, the total number across conditions may exceed the total number of individuals in each group.