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Table 2 Distribution of qSOFA criteria, lactate levels, and qSOFA, qSOFA + lactate, and SOFA scores

From: Addition of lactic acid levels improves the accuracy of quick sequential organ failure assessment in predicting mortality in surgical patients with complicated intra-abdominal infections: a retrospective study

Variable Total population Survivors (n = 407) Non-survivors (n = 50) p value
SBP ≤ 100, n (%) 180 (39.4) 144 (35.4) 36 (72.0) < 0.001
RR ≥ 22, n (%) 122 (26.7) 98 (24.1) 24 (48.0) < 0.001
AMS, n (%) 15 (3.3) 11 (2.7) 4 (8.0) 0.070
Lactate, mmol/L 1.7 [1.0–3.1] 1.6 [0.9–2.8] 3.3 [1.775–4.875] < 0.001
Lactate ≥ 2.0 mmol/L, n (%) 200 (43.8) 164 (40.3) 36 (72.0) < 0.001
qSOFA, n (%)     < 0.001
 0 234 (51.2) 223 (54.8) 11 (22.0)  
 1 145 (31.7) 129 (31.7) 16 (32.0)  
 2 71 (15.5) 51 (12.5) 20 (40.0)  
 3 7 (1.5) 4 (1.0) 3 (6.0)  
qSOFA + lactate score, n (%)     < 0.001
 0 163 (35.7) 158 (38.8) 5 (10.0)  
 1 147 (32.2) 138 (33.9) 9 (18.0)  
 2 86 (18.8) 68 (16.7) 18 (36.0)  
 3 54 (11.8) 39 (9.6) 15 (30.0)  
 4 7 (1.5) 4 (1.0) 3 (6.0)  
Full SOFA 1 [0–4] 1 [0–3] 5 [3–8.25] < 0.001
  1. SBP systolic blood pressure, RR respiratory rate, AMS altered mental status, qSOFA quick sequential organ failure assessment, SOFA sequential organ failure assessment
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