Skip to main content

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