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Table 3 Comparison of parameters between continence and incontinence patients at 6 and 12 months after operation

From: Urinary continence outcomes of four years of follow-up and predictors of early and late urinary continence in patients undergoing robot-assisted radical prostatectomy

Variable

6 Months

12 Months

Continence (N = 464)

Incontinence (N = 186)

P value

Continence (N = 512)

Incontinence (N = 138)

P value

Age (years)

65.17 ± 7.33

66.73 ± 8.08

0.018

65.23 ± 7.36

67.06 ± 8.22

0.012

BMI (kg/m2)

25.05 ± 2.78

24.93 ± 3.14

0.631

25.07 ± 2.84

24.82 ± 3.06

0.362

Comorbidities, no (%)

 HP

150 (32.33%)

68 (36.56%)

0.302

172 (33.59%)

46 (33.33%)

0.954

 DM

73 (15.73%)

27 (14.52%)

0.698

80 (15.63%)

20 (14.49%)

0.744

 CHD

41 (8.84%)

22 (11.83%)

0.244

46 (8.98%)

17 (12.32%)

0.240

 CD

12 (2.59%)

8 (4.30%)

0.253

13 (2.54%)

7 (5.07%)

0.126

 PSA (ng/mL)

29.15 ± 33.12

33.16 ± 38.85

0.185

29.43 ± 32.66

32.51 ± 42.07

0.223

 PV (mL)

37.14 ± 19.11

35.20 ± 19.63

0.245

36.95 ± 18.75

35.24 ± 21.10

0.354

 Gleason score, no (%)

  

0.251

  

0.257

 ≤6

137 (29.53%)

56 (30.11%)

 

153 (29.88%)

40 (28.99%)

 

 7

178 (38.36%)

77 (41.40%)

 

197 (38.48%)

58 (42.03%)

 

 ≥8

133 (28.66%)

42 (22.58%)

 

144 (28.13%)

31 (22.46%)

 

 Unknown

16 (3.45%)

11 (5.91%)

 

18 (3.51%)

9 (6.52%)

 

 Clinical T stage, no (%)

  

0.659

  

0.918

 T1a,b

2 (0.43%)

0

 

2 (0.38%)

0

 

 T1c

78 (16.81%)

36 (19.35%)

 

88 (17.19%)

26 (18.84%)

 

 T2a,b

178 (38.36%)

63 (33.87%)

 

193 (37.70%)

48 (34.78%)

 

 T2c

179 (38.58%)

79 (42.47%)

 

201 (39.26%)

57 (41.30%)

 

 T3a

2 (0.43%)

1 (0.55%)

 

2 (0.38%)

1 (0.73%)

 

 T3b

25 (5.39%)

7 (3.76%)

 

26 (5.08%)

6 (4.35%)

 

 OT (mins)

152.42 ± 44.08

154.15 ± 51.17

0.666

151.66 ± 43.98

157.57 ± 53.49

0.182

 NS, no (%)

97 (20.91%)

24 (12.90%)

0.018

103 (20.12%)

18 (13.04%)

0.058

 PLND, no (%)

241 (51.94%)

97 (52.15%)

0.961

267 (52.15%)

71 (51.45%)

0.884

 DIC (days)

21.34 ± 11.20

20.51 ± 8.00

0.356

21.37 ± 10.96

20.13 ± 7.83

0.215

  1. Abbreviations: BMI Body mass index, CHD Coronary heart disease, CD Cerebrovascular diseases, DM Diabetes mellitus, DIC Duration of indwelling catheter, HP Hypertension, NS Nerve-sparing, OT Operation time, PSA Prostate-specific antigen, PV Prostate volume, PLND Pelvic lymph node dissection