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Table 4 Classification and incidence rate of occult hernia

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

Types of hernia

Occult hernia

Non-occult hernia

Number

χ2 value

P value

Total

91 (7.95%)

1053 (92.05%)

1144

χ2 = 112.68

P<0.001

Indirect hernia

28 (2.45%)

829 (72.46%)

857

χ2 = 83.19

*P<0.001

Direct hernia

47 (4.11%)

183 (15.99%)

230

χ2 = 0.78

#P>0.05

Femoral hernia

14 (1.23%)

40 (3.52%)

54

χ2 = 59.31

△P<0.001

Obturator hernia

1 (0.08%)

1 (0.08%)

2

/

/

Spiglian hernia

1 (0.08%)

0

1

/

/

  1. P = occult hernia vs non-occult hernia
  2. *P = indirect hernia vs direct hernia
  3. #P = direct hernia vs femoral hernia
  4. △P = femoral hernia vs indirect hernia
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BMC Surgery

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