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. 2012 Aug 24;12(2):168–172. doi: 10.1007/s12663-012-0391-5

Table 6.

Duration of Surgery and incidence of LNI

Duration No. of patients LNI (%)
<15 min 40 0
<30 min 37 0
<45 min 13 2 (15.4)
<1 h 7 1 (14.3)
>1 h 3 1 (33.3)

<30 min versus >30 min, χ2 = 11.9, P < 0.01, highly significant