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Table 1 Characteristics of the study population

From: Pneumonia risk prediction in patients with acute alcohol withdrawal syndrome through evaluation of sarcopenia index as a prognostic factor

General characteristics

Non-pneumonia n = 269

Pneumonia n = 43

P

Age, year, n (%)

0.003

< 60

212(89.45)

25(10.55)

≥ 60

57(76)

18(24)

Smoking history, n (%)

0.404

 no

16(80)

4(20)

 yes

253(86.64)

39(13.36)

Duration of drinking, year, median(iqr)

30(20,32)

30(22,40)

0.05

Alcohol consumption/day, g, median(iqr)

400(250,500)

500(250,500)

0.051

Drinking index, median(iqr)

10,000(5575,15,000)

12,000(9000,18,000)

0.035*

≤ 15,000, n (%)

224(83.27)

45(16.73)

> 15,000, n (%)

30(69.77)

13(30.23)

COPD, n (%)

0.07

 no

260(86.96)

39(13.04)

 yes

9(69.23)

4(30.77)

Hypertension, n (%)

0.894

 no

223(86.1)

36(13.9)

 yes

46(86.79)

7(13.21)

Diabetes, n (%)

0.674

 no

248(85.81)

41(14.19)

 yes

21(91.3)

2(8.7)

CHD, n (%)

0.884

 no

267(86.41)

42(13.59)

 yes

2(66.67)

1(33.33)

Arrhythmology, n (%)

0.863

 no

251(85.96)

41(14.04)

 yes

18(90)

2(10)

Lacunar infarction, n (%)

0.343

 no

244(86.83)

37(13.17)

 yes

25(80.65)

6(19.35)

BMI, kg/m2, median(iqr)

20.22(18.46,22.15)

19.1(17.54,21.69)

0.099

ALB, g/l, n (%)

0.013

 < 35

12(67.67)

6(33.33)

 ≥ 35

257(87.41)

37(12.59)

eGFR, ml/min/1.73m2, median(iqr)

120.4(99.97,144)

119.36(99.67,149.9)

0.88

  1. COPD Chronic obstructive pulmonary disease, CHD Coronary heart disease, BMI Body mass index, ALB Albumin, eGFR Estimated glomerular filtration rate
  2. * As a continuous variable, the difference between the two groups was statistically significant (P < 0.05)