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Table 3 DO by surgical experience. MWU-test showed significant differences for older residents and specialists

From: Intended cost reduction in laparoscopic appendectomy by introducing the endoloop: a single center experience

 

Total

Phase I

Phase II

P-values comparing both phases

Young resident, DO in min (±SD)

61 (±19.2) min

54 (±20.2) min

63,5 (±18) min

0.10

Older resident, DO in min (±SD)

58 (±28.5) min

51 (±33.2) min

65 (±24.7) min

0.039

Specialist, DO in min (±SD)

66.5 (±27.2) min

49 (±17) min

75 (±28.5) min

0.009

Consultant, DO in min (±SD)

49.5 (±24.3) min

48 min

51 (±26.1) min

n.a.; only one case in phase I

P-values according to each phase

0.56

0.82

0.23

 
  1. Young residents show a tendency towards longer duration of operation