Research Article

Risk of Urinary Tract Carcinoma among Subjects with Bladder Pain Syndrome/Interstitial Cystitis: A Nationwide Population-Based Study

Table 2

Crude and adjusted hazard ratio for Urotract Cancer in the follow-up period.

AllFemaleMale
ICNon-ICICNon-ICICNon-IC
N =10192N =30576N =8233N =24699N =1959N =5877

Bladder Cancer (n)37(0.36)19(0.06)20(0.24)14(0.06)17(0.87)5(0.09)
Median follow-up time, year6.046.026.035.996.106.17
 Crude HR (95%CI)5.84(3.36-10.15)1.004.27(2.16-8.45)1.0010.30(3.80-27.93)1.00
 P-value<0.0001<.0001<0.0001
 Adjusted HR1 (95%CI)5.44(3.10-9.54)1.003.52(1.75-7.08)1.0010.57(3.87-28.87)1.00
 P-value<0.00010.0004<0.0001
 Adjusted HR2 (95%CI)5.66(3.21-9.99)1.003.57(1.77-7.20)1.0012.00(4.31-33.45)1.00
 P-value<0.00010.0004<0.0001

Upper urinary tract cancer (n)22(0.22)30(0.10)17(0.21)22(0.09)5(0.26)8(0.14)
Median follow-up time, year6.056.026.035.996.126.17
 Crude HR (95%CI)2.19(1.27-3.80)1.002.31(1.22-4.34)1.001.89(0.62-5.78)1.00
 P-value0.00510.00970.2640
 Adjusted HR1 (95%CI)1.97(1.13-3.45)1.002.16(1.13-4.13)1.001.46(0.47-4.54)1.00
 P-value0.01740.01990.5143
 Adjusted HR2 (95%CI)2.01(1.14-3.55)1.002.13(1.11-4.10)1.001.59(0.50-5.11)1.00
 P-value0.01580.02390.4331

Prostate Cancer (n)11(0.56)25(0.43)
Median follow-up time, year6.116.16
 Crude HR (95%CI)1.33(0.66-2.71)1.00
 P-value0.4274
 Adjusted HR1 (95%CI)1.42(0.69-2.90)1.00
 P-value0.3400
 Adjusted HR2 (95%CI)1.56(0.74-3.30)1.00
 P-value0.2434

This table is adjusted by age, gender, DM, HTN, renal disease, CAD, hyperlipidemia, geographic region, and income; CCI score was added in adjusted HR2.