Retrospective Study
Copyright ©The Author(s) 2022.
World J Clin Cases. Jan 7, 2022; 10(1): 51-61
Published online Jan 7, 2022. doi: 10.12998/wjcc.v10.i1.51
Table 1 Patient characteristics (mean ± SD)

Open procedure (n = 82)
Laparoscopic procedure (n = 73)
Hybrid procedure (n = 153)
P value
Age (yr)63.2 ± 16.260.8 ± 15.862.6 ± 15.50.608
Male sex33 (40.2)27 (37.0)56 (36.6)0.852
BMI (kg/m2)31.4 ± 5.329.5 ± 5.030.9 ± 4.80.054
Maximum hernia diameter (cm)13.2 ± 3.612.7 ± 3.113.4 ± 3.40.370
Cerebral or cardiovascular disease24 (29.2)18 (24.7)41 (26.8)0.810
Diabetes mellitus22 (26.8)20 (27.4)43 (28.1)0.978
Other diseases related to increased IAP23 (28. 0)19 (26.0)34 (22.2)0.586
Chronic cough8880.240
Benign prostatic hyperplasia54100.953
Chronic constipation108160.921
Preoperative VAS pain score0.41 ± 0.890.51 ± 0.750.62 ± 0.920.212
Table 2 Operative data (mean ± SD)

Open procedure (n = 82)
Laparoscopic procedure (n = 73)
Hybrid procedure (n = 153)
P value
Recurrence7 (8.5)15 (20.5)2 (1.3)< 0.001
Re-operated patients10 (12.2)18 (24.7)6 (3.9)< 0.001
Surgery duration (min)76.7 ± 23.763.6 ± 12.1113.6 ± 21.8< 0.001
Estimated blood loss (mL)28.4 ± 9.66.2 ± 3.520.9 ± 10.9< 0.001
Length of hospitalization (d)13.0 ± 8.76.9 ± 16.08.9 ± 9.40.002
Hospitalization cost, RMB133278 ± 1838745892 ± 2988743041 ± 17210< 0.001
Intraoperative intestinal injury5 (6.1)3 (4.1)23 (1.5)0.015
Postoperative intestinal fistula2 (2.4)5 (6.8)5 (3.3)0.312
Postoperative intestinal fistula/intraoperative intestinal injury0.41.70.20.046
Seroma5 (6.1)24 (32.8)4 (2.6)< 0.001
Surgical site infection6 (7.3)1 (1.4)8 (5.2)0.220
Chronic pain6 (7.3)1 (1.4)3 (2.0)0.051
Perioperative mortality3 (3.7)2 (2.7)3 (2.0)0.735
Postoperative complications14 (17.1)44 (60.3)11 (7.2)< 0.001
1 complication5 (6.1)40 (54.8)2 (1.3)
2 complications4 (4.9)4 (5.5)5 (3.3)
3 complications4 (4.9)0 (0.0)3 (2.0)
4 complications1 (1.2)0 (0.0)1 (0.7)