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Table 2 Demographics and outcomes for patients where emergency surgery was performed by comorbidity level

From: Surgery for acute cholecystitis in severely comorbid patients: a population-based study on acute cholecystitis

   Total ASA1 ASA 2 ASA 3 ASA4-5 p
Total Total 725 (100%) 195 (27%) 375 (52%) 152 (21%) 3 (0%)  
Sex Male 373 (51%) 102 (52%) 189 (50%) 80 (53%) 2 (67%) 0.91
  Female 352 (49%) 93 (48%) 186 (50%) 72 (47%) 1 (33%)  
Age Mean (SD) 57.4 (± 15.1) 48.7 (± 13.0) 58.7 (± 14.7) 65.1 (± 13.3) 62.2 (± 10.6)  < 0.001
BMI Mean (SD) 28.9 (± 5.1) 27.3 (± 4.0) 29.0 (± 4.5) 30.6 (± 6.9) 29.1 (± 5.2)  < 0.001
  Missing 39 (5.4%) 16 (8.2%) 22 (5.9%) 1 (0.7%) 0 (0%)  
CCI Mean (SD) 2.0 (± 1.9) 0.8 (± 1.0) 2.0 (± 1.5) 3.7 (± 2.2) 4.7 (± 3.2)  < 0.001
Cholecystitis Grade G1 425 (59%) 107 (55%) 218 (58%) 98 (64%) 2 (67%) 0.54
  G2-3 268 (37%) 74 (38%) 143 (38%) 50 (33%) 1 (33%)  
  Missing 32 (4%) 14 (7%) 14 (4%) 4 (3%) 0 (0%)  
Length of stay Mean (SD) 4.1 (± 5.0) 3.1 (± 2.2) 3.6 (± 2.6) 6.3 (± 8.8) 19.7 (± 28.0)  < 0.001
Surgical approach Laparoscopic 560 (77%) 152 (78%) 298 (79%) 108 (71%) 2 (67%) 0.038
  Open 42 (6%) 12 (6%) 14 (4%) 15 (10%) 1 (33%)  
  Converted 58 (8%) 12 (6%) 31 (8%) 15 (10%) 0 (0%)  
  Missing 65 (9%) 19 (10%) 32 (9%) 14 (9%) 0 (0%)  
Operative Complication No 621 (86%) 177 (91%) 327 (87%) 115 (76%) 2 (67%)  < 0.001
  Clavien 1-3a 76 (10%) 16 (8%) 38 (10%) 22 (14%) 0 (0%)  
  Clavien 3b +  28 (4%) 2 (1%) 10 (3%) 15 (10%) 1 (33%)  
Stay after surgery Mean (SD) 3 (± 5) 2 (± 2) 2 (± 2) 4 (± 8) 18 (± 28)  < 0.001
  Missing 13 (2%) 6 (3%) 6 (2%) 1 (1%) 0 (0%)  
Readmitted within 30 days No 681 (94%) 186 (95%) 352 (94%) 140 (92%) 3 (100%) 0.54
  Yes 44 (6%) 9 (5%) 23 (6%) 12 (8%) 0 (0%)  
30d mortality Alive 708 (98%) 188 (96%) 370 (99%) 147 (97%) 3 (100%) 0.052
  Dead 2 (0%) 0 (0%) 0 (0%) 2 (1%) 0 (0%)  
  Missing 15 (2%) 7 (4%) 5 (1%) 3 (2%) 0 (0%)  
1y mortality Alive 704 (97%) 188 (96%) 369 (98%) 144 (95%) 3 (100%) 0.007
  Dead 6 (1%) 0 (0%) 1 (0%) 5 (3%) 0 (0%)  
  Missing 15 (2%) 7 (4%) 5 (1%) 3 (2%) 0 (0%)  
  1. Fisher Exact Test used for categorical variables. Kruskal-Wallis test for continuous variables
  2. ASA American Society of Anesthesiologists physical status classification, BMI Body Mass Index, CCI Charlson Comorbidity Index