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Table 5 Baseline characteristics of AP patients sorted by ratio of admission Cr/Alb

From: Prognostic value of the creatinine-albumin ratio in acute pancreatitis debridement

Variables Cr/Alb < 3.43
(n = 94)
Cr/Alb ≥ 3.43
(n = 46)
P value
Demographic characteristics    
 Age, years 49.73 ± 13.00 50.17 ± 15.83 0.862
 Male, no. (%) 62 (65.96) 36 (78.26) 0.136
 BMI, kg/m2 23.92 ± 3.46 24.83 ± 3.95 0.271
Etiology, no. (%)    0.317
 Post-ERCP 4 (4.26) 3 (6.52)  
 Gallstone 47 (50.00) 19 (41.30)  
 Hypertriglyceridemia 15 (15.96) 13 (28.26)  
 Idiopathic 28 (29.79) 11 (23.91)  
History, no. (%)    
 Hypertension 25 (26.60) 14 (30.43) 0.651
 Alcohol 22 (23.40) 12 (26.09) 0.744
 Smoking 21 (22.34) 11 (23.91) 0.770
 Diabetes mellitus 8 (8.51) 8 (17.39) 0.242
 Fatty liver 5 (5.32) 1 (2.17) 0.536
 CAD 4 (4.26) 1 (2.17) 0.635
Clinical presentation    
 Interval timea, days 56.23 ± 51.14 35.18 ± 37.13 0.016*
 Heart rate, bpm 102.03 ± 20.38 116.45 ± 23.10  < 0.001**
 Temperature, ℃ 37.13 ± 0.74 37.27 ± 1.02 0.412
 MAP, mmHg 61.18 ± 37.54 67.66 ± 34.13 0.319
 Respiratory rate, bpm 22.98 ± 5.60 25.95 ± 7.55 0.023*
Laboratory data in admission    
 Hemoglobin, g/L 107.06 ± 26.30 107.3 ± 32.06 0.964
 BUN, mmol/L 5.64 ± 3.13 17.83 ± 9.76  < 0.001**
 Creatinine, μmol/L 59.29 ± 21.11 277.50 ± 187.02  < 0.001**
 CRP, mg/L 102.52 ± 73.29 121.57 ± 83.89 0.262
 Albumin, g/L 29.00 ± 5.71 26.80 ± 5.30 0.030*
 WBC, × 109 cells/L 11.94 ± 5.39 14.33 ± 7.28 0.039*
 Platelet, × 109 cells/L 239.08 ± 114.78 155.30 ± 93.27  < 0.001**
 TB, μmol/L 39.55 ± 58.64 51.12 ± 67.60 0.307
Score    
 APACHE II 12.59 ± 6.76 21.21 ± 7.83  < 0.001**
Post-operative complications, no. (%)    
 Sepsis 21 (22.34) 16 (34.78) 0.117
 Electrolyte disorders 14 (14.89) 17 (36.96) 0.003**
 Respiratory failure 13 (13.83) 27 (58.70)  < 0.001**
 Hemorrhage 15 (15.96) 19 (41.30) 0.001**
 Shock 12 (12.77) 24 (52.17)  < 0.001**
 Renal failure 7 (7.45) 27 (58.70)  < 0.001**
Outcome, no. (%)    
 ICU duration, days 58.75 ± 75.13 73.91 ± 64.24 0.251
 Re-operation 25 (26.60) 35 (76.09)  < 0.001**
 Mortality 3 (3.19) 13 (28.26)  < 0.001**
  1. CAD coronary artery disease, MAP mean arterial pressure, CRP C-reactive protein, TB total bilirubin, BUN blood urea nitrogen, APACHE II Acute Physiology and Chronic Health Evaluation II
  2. *Means P < 0.05, **means P < 0.001
  3. aInterval time means the interval days between onset of AP and first debridement