Table 1 Demographic and laboratory parameters

Age, mean ± SD

69.1 ± 15.2

68.3 ± 14.3

70.5 ± 16.7

0.496

Gender, n (%)

0.316

 Male

59 (57.8)

40 (61.5)

19 (51.4)

 Female

43 (42.2)

25 (38.5)

18 (48.6)

Comorbidities, n (%)

 Diabetes mellitus

38 (37.3)

22 (33.8)

16 (43.2)

0.345

 Hypertension

48 (47.1)

27 (41.5)

21 (56.8)

0.139

 Chronic obstructive pulmonary disease

17 (16.7)

10 (15.4)

7 (18.9)

0.645

 Chronic heart disease

13 (12.7)

9 (13.8)

4 (10.8)

0.765*

 Coronary artery disease

23 (22.5)

12 (18.5)

11 (29.7)

0.190

 Cerebrovasculer disease

20 (19.6)

13 (20)

7 (18.9)

0.895

 Chronic kidney disease

4 (3.9)

4 (6.2)

0

0.294*

Charlson comorbidity index, median (Q1-Q3)

4 (3–5)

4 (3–5)

4 (3–5)

0.832

Presence of fever, n (%)

18 (17.6)

6 (9.2)

12 (32.4)

0.003

Pancreatitis, n (%)

4 (3.9)

2 (3.1)

2 (5.4)

0.620*

History of cholecystitis, n (%)

18 (17.6)

7 (10.8)

11 (29.7)

0.016

ERCP, n (%)

8 (7.8)

3 (4.6)

5 (13.5)

0.135*

Follow-up time (days), median (Q1-Q3)

519 (136.8–1109)

940 (519–1366)

58 (27-225.5)

< 0.001

Laboratory parameters

 WBC, mean ± SD

16,485 ± 5823

16,114 ± 5945

17,138 ± 5623

0.396

 Neutrophil, mean ± SD

13,289 ± 5882

12,958 ± 5983

13,870 ± 5734

0.454

 Lymphocyte, median (Q1-Q3)

1200 (900–1700)

1200 (850–1600)

1200 (900–2050)

0.167

 Platelet, mean ± SD

264,250 ± 92,110

261,910 ± 86,771

268,380 ± 101,932

0.735

 NLR, median (Q1-Q3)

10.2 (6-18.1)

10.3 (6.2–18)

9.6 (5.8–18.3)

0.674

 PLR, median (Q1-Q3)

207.2 (148-305.7)

213 (167.4-323.4)

185 (133.4-302.3)

0.229

 Hemoglobin, mean ± SD

12.4 ± 1.9

12.5 ± 2

12.4 ± 1.7

0.814

 Hematocrit, mean ± SD

37.5 ± 5.5

37.6 ± 5.9

37.1 ± 4.9

0.659

 Glucose, median (Q1-Q3)

138 (110.5-178.8)

133 (111.5–168)

144 (108.5–196)

0.400

 Creatine, median (Q1-Q3)

1 (0.9–1.3)

1 (0.9–1.2)

1.1 (0.9–1.4)

0.203

 Albumin, mean ± SD

3.2 ± 0.6

3.2 ± 0.5

3.2 ± 0.6

0.885

 AST, median (Q1-Q3)

27 (18.5–49.5)

26 (16–42)

29 (21–57)

0.166

 ALT, median (Q1-Q3)

20 (13-47.3)

19 (13-42.5)

25 (13.5–71)

0.192

 Total Bilirubin, median (Q1-Q3)

0.9 (0.57–1.31)

0.88 (0.55–1.28)

0.91 (0.57–1.49)

0.950

 Direct Bilirubin, median (Q1-Q3)

0.23 (0.13–0.4)

0.21 (0.13–0.39)

0.26 (0.12–0.47)

0.446

 Lipase, median (Q1-Q3)

15 (8.8–27.5)

13 (6.5–27.5)

18 (11.5–31)

0.043

 Lactate, median (Q1-Q3)

1.8 (1.4–2.2)

1.7 (1.4–2.2)

1.8 (1.5–2.3)

0.319

  C-reactive protein, mean ± SD

208 ± 109

208 ± 112

209 ± 106

0.949

 Procalcitonin, median (Q1-Q3)

0.71 (0.22–2.54)

0.51 (0.18–1.51)

1.57 (0.53–4.96)

0.003

Prognostic nutritional index, median (Q1-Q3)

37.5 (33.9–42.6)

37 (34-42.3)

38.5 (32.5–45.8)

0.401