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Table 2 Age and gender of patients; mode of admission; and length of index (cholecystectomy) stay, n = 43072

From: Cholecystectomy in Sweden 2000 – 2003: a nationwide study on procedures, patient characteristics, and mortality

  Open cholecystectomy n = 11928 Laparoscopic cholecystectomy n = 31144 p-values *
Age, mean (SD) 59.2 (17.1) 48.7 (15.5) < 0.001
Women (%) 56.5 73.1 < 0.001
Acute admission No % 56.6 20.9 < 0.001
Length of stay mean, (SD) 7.9 (8.9) 2.6 (3.3) < 0.001
  1. * calculated using chi-square test and t-test.