Retrospective Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Jun 7, 2017; 23(21): 3883-3889
Published online Jun 7, 2017. doi: 10.3748/wjg.v23.i21.3883
Table 1 Patient demographics, pancreatitis etiology and laboratory findings comparing mild and severe acute pancreatitis at day 0
All (n = 490)MAP (n = 420)SAP (n = 70)P value
Age (yr)52.36 ± 16.9852.34 ± 17.1552.46 ± 16.010.958
Sex: male (%)352 (71.8)297 (70.7)55 (78.6)0.176
Etiology, n (%)0.839
Gallstones136 (27.8)119 (28.3)17 (24.3)
Alcohol250 (51.0)212 (50.5)38 (54.3)
Hypertriglyceridemia8 (1.6)6 (1.4)2 (2.9)
Idiopathic84 (17.1)73 (17.4)11 (15.7)
Cancer12 (2.4)10 (2.4)2 (2.9)
Laboratory (at admission)
WBC (× 109/L)11.90 ± 5.6111.80 ± 5.6812.53 ± 5.140.315
CRP (mg/dL)6.55 ± 8.105.90 ± 7.3210.32 ± 11.030.001
Hct (%)41.51 ± 5.7841.61 ± 5.8140.89 ± 5.520.330
BUN (mg/dL)14.91 ± 9.5114.76 ± 9.6315.84 ± 8.760.382
Calcium (mg/dL)8.50 ± 0.858.60 ± 0.787.90 ± 0.990.001
Albumin (g/dL)3.90 ± 0.633.94 ± 0.623.71 ± 0.630.006
Glucose (mg/dL)155.25 ± 98.25153.45 ± 100.41165.54 ± 84.760.343
LDH (U)523.36 ± 480.75518.47 ± 492.08553.15 ± 406.770.585
BMI (kg/m2)23.85 ± 4.1223.93 ± 4.1923.42 ± 3.720.368
Hospital stay (d)9.81 ± 7.159.21 ± 6.3413.36 ± 10.110.001
Table 2 Sequential changes in the neutorphil-lymphocyte ratio in mild acute pancreatitis and severe acute pancreatitis groups
All (n = 490)MAP (n = 420)SAP (n = 70)P value
NLR 04.95 (6.15)4.74 (5.79)6.14 (6.64)0.010
NLR 14.64 (6.28)4.47 (5.82)6.71 (7.71)0.002
NLR 23.39 (4.50)3.20 (4.15)5.70 (6.75)0.001
NLR 32.45 (3.47)3.30 (3.26)4.00 (5.90)0.001
Table 3 Sequential changes in the neutorphil-lymphocyte ratio of acute pancreatitis between with and without organ failure groups
All (n = 490)Organ failure (-)(n = 459)Organ failure (+)(n = 31)P value
NLR 04.95 (6.15)4.85 (6.09)7.09 (7.87)0.03
NLR 14.64 (6.28)4.49 (6.08)6.72 (12.37)0.003
NLR 23.39 (4.50)3.35 (4.29)6.27 (12.19)0.002
NLR 32.45 (3.47)2.34 (3.35)6.24 (8.37)0.001
Table 4 Area under curve (95%CI) value for predicting disease severity, development of organ failure, necrosis, local complications, ICU admission and mortality
SeverityOrgan failureNecrosisLocal CxICU admMortality
NLR 00.59a (0.52-0.66)0.62a (0.51-0.72)0.52 (0.44-0.60)0.54 (0.48-0.60)0.58 (0.47-0.70)0.44 (0.21-0.67)
NLR 10.62a (0.55-0.69)0.66a (0.55-0.77)0.60a (0.52-0.68)0.57 (0.51-0.63)0.73a (0.63-0.83)0.62 (0.38-0.85)
NLR 20.62a (0.55-0.70)0.66a (0.55-0.78)0.61a (0.53-0.69)0.59a (0.53-0.66)0.74a (0.64-0.84)0.60 (0.30-0.85)
NLR 30.62a (0.55-0.70)0.67a (0.56-0.79)0.59a (0.51-0.66)0.60a (0.54-0.67)0.73a (0.63-0.83)0.62 (0.39-0.85)
Table 5 Sensitivity, specificity, postitive predictive value, negative predictive value, and accuracy of optimal cut-off value of baseline and on day 1 neutrophil-lymphocyte ratio in predicting severe acute pancreatitis and organ failure
Cut-off valueP valueSensitivitySpecificityPPVNPVAccuracy
SAPNLR 0 = 4.760.01368.6%50.0%18.6%90.5%52.7%
NLR 1 = 5.180.00262.9%55.5%18.7%89.6%46.9%
Organ failureNLR 0 = 5.030.03264.3%53.1%8.3%95.6%49.4%
NLR 1 = 4.810.00362.9%55.5%8.7%96.0%49.2%