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Table 3 Comparison of occult hernias between open surgery and endoscopic technique

From: The incidence and analysis of ipsilateral occult hernia in patients undergoing hernia repair: a single institution retrospective study of 1066 patients

  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   
  1. EHS expert hernia surgeons, NEHS Non-expert hernia surgeons