Table 1 Baseline patients characteristics

From: Integrated multicenter deep learning system for prognostic prediction in bladder cancer

 

CMUFH (n = 887)

CMUSH

YCH

TCGA-BLCA

 

training (n = 621)

validation (n = 266)

(n = 113)

(n = 108)

(n = 375)

Age

 ≤60 years

207 (33.3%)

70 (26.3%)

21 (18.6%)

29 (26.9%)

102 (27.2%)

 61–70 years

219 (35.3%)

96 (36.1%)

45 (39.8%)

45 (41.7%)

113 (30.1%)

 71–80 years

158 (25.4%)

80 (30.1%)

37 (32.7%)

24 (22.2%)

121 (32.3%)

 >80 years

37 (6.0%)

20 (7.5%)

10 (8.8%)

10 (9.3%)

39 (10.4%)

Gender

 Male

516 (83.1%)

216 (81.2%)

93 (82.3%)

91 (84.3%)

280 (74.7%)

 Female

105 (16.9%)

50 (18.8%)

20 (17.7%)

17 (15.7%)

95 (25.3%)

Pathological T stage

 (Ta, T0, Tis)

84 (13.5%)

21(12%)

10 (8.8%)

17 (15.7%)

1 (0.3%)

 Tx

172 (27.7%)

80 (30.1%)

32 (28.3%)

53 (49.1%)

1 (0.3%)

 T1

157 (25.3%)

53 (19.9%)

28 (24.8%)

11 (10.2%)

3 (0.8%)

 T2

116 (18.7%)

58 (21.8%)

17 (15.0%)

16 (14.8%)

111 (29.6%)

 T3

74 (11.9%)

29 (10.9%)

16 (14.2%)

8 (7.4%)

180 (48%)

 T4

18 (2.9%)

14 (5.3%)

10 (8.8%)

3 (2.8%)

53 (14.1%)

 Not reported

–

–

–

–

26 (6.9%)

Pathological N stage

 N0

199 (32.0%)

92 (34.6%)

76 (67.3%)

18 (16.7%)

216 (57.6%)

 N+

21 (3.4%)

12 (4.5%)

8 (7.1%)

3 (2.8%)

119 (31.8%)

 Nx

401 (64.6%)

162 (60.9%)

29 (25.7%)

87 (80.6%)

35 (9.3%)

 Not reported

–

–

–

–

5 (1.3%)

Pathological M stage

 M0

16 (2.6%)

7 (2.6%)

82 (72.6%)

6 (5.6%)

173 (46.1%)

 M1

1 (0.2%)

1 (0.4%)

1 (0.9%)

–

9 (2.4%)

 Mx

604 (97.3%)

258 (97.0%)

30 (26.5%)

102 (94.4%)

191 (50.9%)

 Not reported

–

–

–

–

2 (0.5%)

Grade

 High

426 (68.6%)

192 (72.2%)

74 (65.5%)

55 (50.9%)

353 (94.1%)

 Low

195 (31.4%)

72 (27.1%)

33 (29.2%)

50 (46.3%)

20 (5.3%)

 Not reported

--

2 (0.8%)

6 (5.3%)

3 (2.8%)

2 (0.5%)

Location

 Trigone of bladder

138 (22.2%)

46 (17.3%)

31 (27.4%)

39 (36.1%)

21 (5.6%)

 Lateral wall of bladder

174 (28.0%)

80 (30.1%)

36 (31.9%)

36 (33.3%)

55 (14.7%)

 Posterior wall of bladder

118 (19.0%)

43 (16.2%)

11 (9.7%)

14 (13.0%)

45 (12.0%)

 Anterior wall of bladder

60 (9.7%)

23 (8.6%)

12 (10.6%)

13 (12.0%)

17 (4.5%)

 Dome of bladder

5 (0.8%)

1 (0.4%)

3 (2.7%)

3 (2.8%)

10 (2.7%)

 Bladder neck

4 (0.6%)

2 (0.8%)

–

–

1 (0.3%)

 Multiple areas

33 (5.3%)

16 (6.0%)

2 (1.8%)

3 (2.8%)

–

 Bladder, not otherwise specified

89 (14.3%)

55 (20.7%)

18 (15.9%)

–

226 (60.3%)

Calcification*

 Present

71 (11.4%)

35 (13.2%)

28 (24.8%)

23 (21.3%)

Missing

 Absent

550 (88.6%)

231 (86.8%)

85 (75.2%)

85 (78.7%)

Missing

Tumor size*

 <1 cm

97 (15.6%)

34 (12.8%)

25 (22.1%)

10 (9.3%)

Missing

 1–3 cm

299 (48.1%)

108 (40.6%)

37 (32.7%)

53 (49.1%)

Missing

 3–5 cm

137 (22.1%)

77 (28.9%)

33 (29.2%)

28 (25.9%)

Missing

 > 5 cm

88 (14.2%)

47 (17.7%)

18 (15.9%)

17 (15.7%)

Missing

Lymphovascular invasion

 Present

39 (6.3%)

12 (4.5%)

13 (11.5%)

8 (7.4%)

136 (36.3%)

 Absent

365 (58.8%)

156 (58.6%)

71 (62.8%)

32 (29.6%)

120 (32.0%)

 Not reported

217 (34.9%)

98 (36.8%)

29 (25.7%)

68 (63.0%)

119 (31.7%)

 OS (median [IQR])

30.50 [12.70, 66.40]

29.45 [13.00, 58.42]

15.30 [5.30, 37.40]

23.10 [11.20, 44.88]

18.00 [11.10, 31.45]

  1. Data are median (interquartile range) or n (%). The training dataset, and validation dataset are from The First Affiliated Hospital of Chongqing Medical University (CMUFH). The three external validation datasets are from The Second Affiliated Hospital of Chongqing Medical University (CMUSH), Yongchuan Hospital of Chongqing Medical University (YCH), and The Cancer Genome Atlas Urothelial Bladder Carcinoma (TCGA-BLCA).
  2. *The calcification feature and tumor size are based on preoperative imaging reports.
  3. OS overall survival, IQR interquartile range.