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Table 2 Comparisons of pathological results between the ELAPE group and APR group

From: The quality of lymph node harvests in extralevator abdominoperineal excisions

  Median total lymph nodes (LN) Below 12 LN requirement Node negative (N0), < 12 LN requirement CRM involvement Total number of cases
ELAPE 16.5 7/30 3/19 3/30 30
Conventional APE 15 12/30 8/17 7/30 30
Statistical tests and significance Mann–Whitney U Test (P = 0.181) Odds ratio (OR) 0.456
(P = 0.085)
(CI 0.149–1.396)
OR 0.211,
P = 0.025)
(CI 0.044–1.002)
OR 0.365,
P = 0.088)
(CI 0.085–1.576)
60
Regression analysis (including age, sex, lap/open, neoadjuvants) P = 0.224 P = 0.129 P = 0.044 P = 0.099 60