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Table 1 Characteristics of 246 patients who underwent major abdominal surgery

From: Elevated serum lactate as a predictor of outcomes in patients following major abdominal surgery at a tertiary hospital in Uganda

Characteristic (n = 246) Frequency Percentage
Age   
  < 18 years 121 49.2
  ≥ 18 years 125 50.8
Gender   
 Male 129 52.4
 Female 117 47.6
Type of surgery   
 Elective 62 25.2
 Emergency 184 74.8
ASA status   
 I 50 20.3
 II 110 44.8
 III 82 33.3
 IV 4 1.6
Duration between diagnosis and surgery for emergencies (days), n = 184   
 Within 1 day 119 64.7
 Longer than a day 65 35.3
Duration of surgery (hours)   
  ≤ 1.5 180 73.2
  > 1.5 66 26.8
Pre-surgery treatment   
 Yes 52 21.1
 No 194 78.9
Intra operative treatment (litres)   
  ≤ 1 94 38.2
  > 1 152 61.8
Comorbidities   
 No 183 74.4
 Yes 63 25.6
Organs involved   
 One organ 192 78.0
 More than one organ 54 22.0
Serum lactate   
 Normal (≤ 2.0 mmol/L) 116 47.2
 High (> 2.0 mmol/L) 130 52.8
  1. The bold was indicative of the statistically significant p values of different variables
  2. This study observed the average lactate values between age groups were 3.18 ± 0.44 for patients less than 18 years and 2.74 ± 0.24 for those above 18 years