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Table 3 Relationships between preoperative factors (clinical factors and comorbidities) and incidence of inguinal hernia (IH) developing after robot-assisted radical prostatectomy (RARP) (N = 307)

From: Incidence and risk factors of inguinal hernia after robot-assisted radical prostatectomy

Preoperative clinical factors

 

Incidence of IH after RARP

No

Yes

P value

Age (years)

<67

132 (43%)

13 (5%)

0.653

≥67

145 (47%)

17 (6%)

Body mass index (kg/m2)

<24

92 (34%)

12 (4%)

0.820

≥24

151 (55%)

18 (7%)

Smoking history

Absent

104 (34%)

14 (5%)

0.337

Present

172 (56%)

16 (5%)

History of IH repair

Absent

268 (87%)

29 (9%)

0.980

Present

9 (3%)

1 (1%)

History of lower abdominal surgery

Absent

212 (69%)

25 (8%)

0.399

Present

65 (21%)

5 (2%)

Prostate-specific antigen (ng/ml)

<8

143 (46%)

18 (6%)

0.383

≥8

134 (44%)

12 (4%)

cT stage

cT1c

225 (73%)

24 (8%)

0.870

≥cT2

52 (17%)

6 (2%)

Preoperative comorbidities

 

No

Yes

P value

Cerebral vascular disease

Absent

266 (87%)

28 (9%)

0.369

Present

11 (3%)

2 (1%)

Hypertension

Absent

123 (40%)

18 (6%)

0.124

Present

154 (50%)

12 (4%)

Diabetes mellitus

Absent

237 (77%)

26 (9%)

1.000

Present

40 (13%)

4 (1%)

Hyperlipidemia

Absent

198 (64%)

19 (6%)

0.399

Present

79 (26%)

11 (4%)

Ischemic heart disease

Absent

248 (81%)

28 (9%)

0.752

Present

29 (9%)

2 (2%)

  1. Pearson’s chi-square tests were used for statistical analyses except for “diabetes mellitus”, “history of IH repair”, “cerebral vascular disease”, and “ischemic heart disease” in which Fisher’s tests were used