Research Article

Survival Outcome of Partial Cystectomy versus Transurethral Bladder Tumor Resection in T1 High-Grade Bladder Cancer Patients: A Propensity Score Matching Study

Table 1

Clinicopathological features between TURBT and PC before and after propensity score matching.

VariablesNo PSMPSM
TURBT (n = 24635)PC (n = 190) valueTURBT (n = 190)PC (n = 190) value

Age (year)
 Mean ± SD72.9 ± 10.37171.5 ± 9.8300.01472.7 ± 11.44871.5 ± 9.8300.260
 Median (25th–75th percentile)72 (67.5–82)72 (67.5–77.5)0.01677.5 (62–82)72 (67.5–77.5)0.068
Sex0.0410.769
 Female5115 (20.8%)28 (14.7%)26 (13.7%)28 (14.7%)
 Male19520 (79.2%)162 (85.3%)164 (86.3%)162 (85.3%)
Race0.5720.072
 White21859 (88.7%)171 (90.0%)162 (85.3%)171 (90.0%)
 Black1448 (5.9%)12 (6.3%)10 (5.3%)12 (6.3%)
 Other style1328 (5.4%)7 (3.7%)18 (9.5%)7 (3.7%)
Marital status0.0550.859
 Married15420 (62.6%)132 (69.5%)135 (71.1%)132 (69.5%)
 SDW6285 (25.5%)34 (17.9%)30 (15.8%)34 (17.9%)
 Single2930 (11.9%)24 (12.6%)25 (13.2%)24 (12.6%)
Grade0.5440.090
 Grade I or Grade II517 (2.1%)6 (3.2%)2 (1.1%)6( 3.2%)
 Grade III4926 (20.0%)40 (21.1%)55 (28.9%)40 (21.1%)
 Grade IV19192 (77.9%)144 (75.8%)133 (70.0%)144 (75.8%)
Histology0.1190.047
 TCC7527 (30.6%)68 (35.8%)87 (45.8%)68 (35.8%)
 PTCC17108 (69.4%)122 (64.2%)103 (54.2%)122 (64.2%)
Radiotherapy0.5350.2
 No/unknown24081 (97.8%)187 (98.4%)183 (96.3%)187 (98.4%)
 Yes554 (2.2%)3 (1.6%)7 (3.7%)3 (1.6%)
Chemotherapy0.1270.618
 No/unknown18389 (74.6%)151 (79.5%)147 (77.4%)151 (79.5%)
 Yes6246 (25.4%)39 (20.5%)43 (22.6%)39 (20.5%)
Tumor size0.267<0.001
 ≤3 cm10919 (44.3%)78 (41.1%)129 (67.9%)78 (41.1%)
 3–6 cm9833 (39.9%)74 (38.9%)54 (28.4%)74 (38.9%)
 >6 cm3883 (15.8%)38 (20.0%)7 (3.7%)38 (20.0%)
Tumor site<0.001<0.001
 Trigone1266 (5.1%)1 (0.5%)19 (10.0%)1 (0.5%)
 Dome1235 (5.0%)29 (15.3%)11 (5.8%)29 (15.3%)
 Lateral4941 (20.1%)30 (15.8%)35 (18.4%)30 (15.8%)
 Anterior704 (2.9%)10 (5.3%)8 (4.2%)10 (5.3%)
 Posterior2453 (10.0%)22 (11.6%)23 (12.1%)22 (11.6%)
 Bladder neck784 (3.2%)2 (1.1%)7 (3.7%)2 (1.1%)
 Ureteric orifice584 (2.4%)4 (2.1%)4 (2.1%)4 (2.1%)
 Other sites12668 (51.4%)92 (48.4%)83 (43.7%)92 (48.4%)
Number of tumors0.880<0.001
 Single14655 (59.5%)112 (58.9%)74 (38.9%)112 (58.9%)
 Multiple9980 (40.5%)78 (41.1%)116 (61.1%)78 (41.1%)

Survival time (month)
 Mean47.49855.121<0.00151.76355.1210.015
 Median (25th–75th percentile)55 (37–77)55.5 (37–77)<0.00148 (23–81.25)55.5 (37–77)0.236

PC: partial cystectomy; TURBT: transurethral bladder tumor resection; other race: American/Indian/Alaska/Native/Asian/Pacific Islande; SDW: separated, divorced or widowed; other sites: overlapping lesion of bladder, bladder, NOS; TCC: transitional cell carcinoma, PTCC: papillary transitional cell carcinoma. PSM, propensity score matching. Statistically significant.