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Table 1 Demography. Baseline characteristics for all operations

From: Mortality following emergency laparotomy: a Swedish cohort study

   n (%) Mean age
All operations   710 (100%)  
Gender Female 393 (55.4) 66.2
Male 317 (44.6) 65.0
Age All operations 18 to 96 years 65.7
ASA-classification ASA-1 72 (10.1) 49.1
ASA-2 247 (34.8) 59.0
ASA-3 282 (39.7) 71.9
ASA-4 98 (13.8) 75.8
ASA-5 11 (1.5) 72.5
Priority  < 30 min 25 (3.5) 53.6
 < 2-h 272 (38.3) 65,3
 < 6 h 413 (58.2) 66.7
Surgery Primary 597 (84.1) 65.8
Reoperation 113 (15.9) 64.9
Comorbidity Yes (one or more) 388 (51.8) 68.1
No 342 (48.2) 63.0
Obesity 88 (12.4) 55.9
Smoker 92 (13.0) 62.1
Renal failure 90 (12.7) 77.1
IHD 84 (11.8) 77.0
COPD 57 (8.0) 74.3
Heart failure 63 (8.9) 78.4
Diabetes 82 (11.5) 72.3
BMI n = 640 Mean 25.57  
Cancer diagnosisa Yes 218 (30.7) 72.7
  1. ASA American society of anaesthesiologist-classification of comorbidity. Priority, for emergency the guideline to start of surgery. Obesity classified as BMI > 30. IHD ischemic heart disease. COPD chronic obstructive pulmonary disease. BMI length and weight was detected in 640 cases
  2. aCancer diagnosis of any kind from 3 years before until 1 year after surgery