Table 3 Comparison of occult hernias between open surgery and endoscopic technique
Occult hernia | Non-occult hernia | N | χ2 value | P value | |
|---|---|---|---|---|---|
Open surgery | 61 (8.65%) | 644 (91.35%) | 705 | χ2 = 0.61 | P>0.05 |
Open surgery (EHS) | 40 (10.18%) | 353 (89.82%) | 393 | χ2 = 1.69 | P>0.05 |
Open surgery (NEHS) | 21 (6.73%) | 291 (93.27%) | 312 | χ2 = 0.14 | P>0.05 |
Endoscopic technique | 27 (7.48%) | 334 (92.52%) | 361 |