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Table 2 Comparison of the clinicopathological features between PV-UCB and C-UCB

From: Sarcomatoid variant urothelial carcinoma of the bladder: a systematic review and meta-analysis of the clinicopathological features and survival outcomes

Study (first author, year)

Groups

n

Age at surgery, year

Clinical characteristics

Pathologic characteristics

Survival outcomes (Overall survival)

Male, n (%)

NAC, n (%)

AC, n (%)

 ≤ pT2, n (%)

 ≥ pT3, n (%)

High grade,

n (%)

cCIS, n (%)

pN + , n (%)

Surgical margin + , n (%)

Berg (2019)

SV-UCB

388

NR

NR

NR

79 (20.4)

NR

NR

NR

NR

NR

NR

Unadjusted HR (RC), 1.20; 95% CI 1.01–1.43 Unadjusted HR (RC + AC), 1.50; 95% CI 1.08–2.08

C-UCB

13,210

NR

NR

NR

3053 (23.1)

NR

NR

NR

NR

NR

NR

Robinson (2018)

SV-UCB

12

Mean 65.3

9 (75.0)

NR

NR

7 (58.3)

5 (41.7)

10 (83.3)

2 (16.7)

1 (8.3)

0 (0.0)

Unadjusted HR, 0.88; 95% CI 0.40–1.97

C-UCB

230

Mean 67.7

185 (80.4)

NR

NR

140 (60.9)

90 (39.1)

213 (92.6)

105 (45.7)

51 (22.2)

21 (9.1)

Vetterlein (2017)

SV-UCB

304

Mean 67.7

185 (80.4)

47 (15.5)

NR

NR

NR

NR

NR

NR

NR

NR

Sui (2017)

SV-UCB

220

Mean 70.4 (12.8)

NR

49 (22.3)

31 (14.1)

NR

NR

NR

NR

NR

23 (10.3)

NR

Moschini (2017)

SV-UCB

21

Median 72 (60–78)

16 (76.2)

0 (0.0)

2 (9.5)

7 (33.3)

14 (66.7)

NR

2 (9.5)

7 (33.3)

1 (4.8)

Adjusted HR, 1.14; 95% CI 0.55–2.23

C-UCB

729

Median 68 (61–75)

613 (84.1)

18 (2.5)

107 (14.7)

308 (42.2)

421 (57.7)

NR

211 (28.9)

264 (36.2)

60 (8.2)

Monn (2015)

SV-UCB

15

Mean 62.9 (13)

9 (60.0)

0 (0.0)

4 (26.7)

5 (33.3)

10 (66.7)

NR

NR

3 (20.0)

1 (6.7)

Adjusted HR, 1.07; 95% CI 0.43–2.69

C-UCB

462

Mean 66.6 (11)

364 (78.8)

65 (14.1)

45 (9.7)

330 (71.4)

132 (28.6)

NR

NR

85 (18.4)

45 (9.7)

Wang (2011)

SV-UCB

14

Median 63 (45–93) R

12 (85.7)

NR

NR

NR

NR

14 (100.0)

NR

NR

NR

NR

C-UCB

319

Median 71 (32–92) R

243 (76.2)

NR

NR

NR

NR

182 (57.1)

NR

NR

NR

Wright nn

SV-UCB

301

NR

193 (64.1)

NR

NR

137 (45.5)

93 (30.9)

NR

NR

NR

NR

Adjusted HR (SaC), 1.18; 95% CI 0.91–1.52 Adjusted HR (CS), 2.00; 95% CI 1.65–2.41

C-UCB

46,515

NR

34,816 (75.0)

NR

NR

33,721 (72.5)

8219 (17.7)

NR

NR

NR

NR

  1. SV-UVB sarcomatoid variant urothelial carcinoma of the bladder, C-UCB conventional urothelial carcinoma of the bladder, NAC neoadjuvant chemotherapy, AC adjuvant chemotherapy, cCIS concomitant carcinoma in situ, NR not reported, HR hazard ratio, RC radical cystectomy, CI confidence interval, Sac sarcomatoid carcinoma, CS carcinosarcoma