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Table 2 Clinical characteristics of patients in terms of mortality

From: A practical scoring system to predict mortality in patients with perforated peptic ulcer

Variable Mortality No Mortality P Morbidity No morbidity P
  n=23 n=204   n=55 n=172  
Age (years) (mean ± SD) 74.5 ± 12.1 47.9 ± 18.4 <0.0001 61.4 ± 18.1 47.2 ± 18.8 <0.0001
Sex; Male/Female (n,%) 18(9.1)/5(15.6) 180(90.9)/27(84.4) NS 43(21.7)/12(37.5) 155(78.3)/20(62.5) 0.047
White blood cell count (10/μL) (mean ± SD) 12.5 ± 7.8 13.7 ± 6.5 NS 146.9 ± 86.7 132.0 ± 59.8 NS
Hemoglobin (g/dl) (mean ± SD) 12.8 ± 2.8 15 ± 2.3 <0.0001 14.3 ± 3.2 14.9 ± 2.1 NS
BUN (mg/dl) (mean ± SD) 123.5 ± 85.9 36.6 ± 20.9 <0.0001 70.5 ± 67.1 37.4 ± 26.2 <0.0001
Creatinine (mg/dl) (mean ± SD) 2.71 ± 2.07 1.15 ± 0.86 <0.0001 1.78 ± 1.32 1.20 ± 1.21 0.003
Albumin (g/L) (mean ± SD) 1.52 ± 0.51 2.57 ± 0.75 <0.0001 2.45 ± 0.69 3.12 ± 0.73 <0.0001
BP-S*(mm/Hg) (mean ± SD) 107 ± 28.4 125.9 ± 21.7 <0.0001 124.1 ± 28.6 123.9 ± 21.2 NS†
BP-D**(mm/Hg) (mean ± SD) 67.2 ± 19.4 76.7 ± 13.6 0.003 77.2 ± 16.9 75.3 ± 13.8 NS†
MAP***(mmHg) (mean ± SD) 80.4 ± 21.8 93.1 ± 15.03 <0.0001 92.8 ± 19.7 91.5 ± 14.9 NS†
Pulse (/ min) (mean ± SD) 113.2 ± 30.2 94.7 ± 14.3 <0.0001 104.6 ± 22.3 93.8 ± 14.7 <0.0001
Time from perforation to surgery (h) (n, %)       
<24 h 1 (1.2) 80 (98.8) 0.001 28 (17.4) 133 (82.6) <0.0001
>24 h 22 (15.1) 124 (84.9)   27 (39.7) 41 (60.3)  
Perforation size (cm) (n, %)       
<0.5 15 (8.9) 153 (91.1) 0.02 4 (13.8) 25 (86.2) 0.001
0.5-1 1 (3.4) 28 (96.6)   36 (21.1) 135 (78.9)  
>1 7 (23.3) 23 (76.7)   15 (50) 15 (50)  
Operation time (min) (mean ± SD) 103.3 ± 42.4 81.6 ± 28.1 0.001 95.7 ± 46.8 80.3 ± 22.8 0.002
Other medical illnesses (n,%)       
Absent 4 (2.5) 155 (97.5) <0.0001 22 (13.6) 140 (86.4) <0.0001
Present 19 (27.5) 49 (72.1)   33 (48.5) 35 (51.5)  
  1. *BP-S: Blood pressure-systolic, **BP-D: Blood pressure-diastolic, ***MAP: Median artery pressure, †NS: Non-significant.