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Table 6 Number of lymph nodes, days of hospitalization and operation duration between the training (group A) and post-training group (group B)

From: Multidimensional analysis of the learning curve for laparoscopic colorectal surgery in a regional hospital: the implementation of a standardized surgical procedure counterbalances the lack of experience

  Group  
A B  
Mean SD Quartiles Mean SD Quartiles p*
    1st 2nd 3rd    1st 2nd 3rd  
Operation duration (hours) 4.5 1.2 3.5 4.5 5.5 4.0 1.4 3.5 4.0 4.0 0.006
Hospitalization (days) 7.9 4.7 5.0 7.0 8.0 6.2 1.9 5.0 6.0 7.0 0.109
Lymph nodes (number) 22.3 12.2 14.0 19.5 28.0 26.8 15.1 16.0 26.0 34.0 0.145
  1. * Mann–Whitney test