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Table 3 Demographics and outcomes for NOM patients 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 909 (100%) 105 (12%) 356 (39%) 363 (40%) 85 (9%)  
Sex Male 484 (53%) 46 (44%) 179 (50%) 202 (56%) 57 (67%) 0.006
  Female 425 (47%) 59 (56%) 177 (50%) 161 (44%) 28 (33%)  
Age Mean (SD) 69.7 (± 16.6) 51.5 (± 15.6) 67.4 (± 16.5) 75.5 (± 13.0) 76.9 (± 13.1)  < 0.001
BMI Mean (SD) 28.2 (± 5.8) 28.2 (± 5.5) 28.0 (± 4.7) 28.5 (± 6.7) 27.3 (± 6.7) 0.36
  Missing 78 (8.6%) 15 (14.3%) 28 (7.9%) 29 (8.0%) 6 (7.1%)  
CCI Mean (SD) 4.1 (± 2.8) 1.0 (± 1.2) 2.9 (± 1.9) 5.3 (± 2.3) 7.8 (± 2.9)  < 0.001
Cholecystitis Grade G1 373 (41%) 27 (26%) 125 (35%) 180 (50%) 41 (48%)  < 0.001
  G2-3 461 (51%) 54 (51%) 199 (56%) 166 (46%) 42 (49%)  
  Missing 75 (8%) 24 (23%) 32 (9%) 17 (5%) 2 (2%)  
Drain complication No 60 (7%) 5 (5%) 21 (6%) 26 (7%) 8 (9%) 0.13
  Yes 33 (4%) 0 (0%) 7 (2%) 20 (6%) 6 (7%)  
  Missing 816 (90%) 100 (95%) 328 (92%) 317 (87%) 71 (84%)  
Length of stay Mean (SD) 5.2 (± 6.0) 3.6 (± 9.3) 4.4 (± 6.1) 5.8 (± 4.6) 7.4 (± 5.1)  < 0.001
  Missing 52 (5.7%) 19 (18.1%) 21 (5.9%) 12 (3.3%) 0 (0%)  
Readmitted within 30 days No 764 (84%) 95 (90%) 306 (86%) 300 (83%) 63 (74%) 0.014
  Yes 145 (16%) 10 (10%) 50 (14%) 63 (17%) 22 (26%)  
New gall stone complication No complication 614 (68%) 85 (81%) 245 (69%) 229 (63%) 55 (65%) 0.007
  Complication 265 (29%) 18 (17%) 101 (28%) 122 (34%) 24 (28%)  
  Missing 30 (3%) 2 (2%) 10 (3%) 12 (3%) 6 (7%)  
30d mortality Alive 773 (85%) 90 (86%) 321 (90%) 296 (82%) 66 (78%)  < 0.001
  Dead 32 (4%) 0 (0%) 4 (1%) 18 (5%) 10 (12%)  
  Missing 104 (11%) 15 (14%) 31 (9%) 49 (13%) 9 (11%)  
1y mortality Alive 722 (79%) 88 (84%) 314 (88%) 271 (75%) 49 (58%)  < 0.001
  Dead 83 (9%) 2 (2%) 11 (3%) 43 (12%) 27 (32%)  
  Missing 104 (11%) 15 (14%) 31 (9%) 49 (13%) 9 (11%)  
  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