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Comparison of occult hernias between the EHS and NEHS groups
| Occult hernia | Non-occult hernia | χ2 value | P value | |
|---|---|---|---|---|
| EHS group (open) | 40 | 353 | χ2 = 2.62 | P>0.05 |
| EHS group (Laparoscopic) | 27 | 334 | χ2 = 0.14 | P>0.05 |
| EHS group (total) | 67 | 687 | χ2 = 1.35 | P>0.05 |
| NEHS group (open) | 21 | 291 |
EHS expert hernia surgeons, NEHS Non-expert hernia surgeons
