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Table 1 Patient characteristics in total and matched cohorts

From: Therapeutic plasma exchange decreases serum triglyceride level rapidly and reduces early recurrence rate but no advantages in improving outcomes for patients with hyperlipidemic acute pancreatitis: a retrospective propensity score matching analysis based on twenty year’s experience

Characteristic

Total set

Matched set

n-TPE

(n = 109)

TPE

(n = 218)

p

n-TPE

(n = 78)

TPE

(n = 116)

p

Age, yr

38 {32.5, 45}

37 {31, 45}

0.462

38 {32, 45}

37 {31, 45}

0.715

Sex, male%

74 (67.89%)

164 (75.23%)

0.188

53 (67.95%)

86 (74.14%)

0.417

BMI

25.10 {22.99, 27.78}

24.22 {22.57, 26.60}

0.059

24.69 {22.90, 27.73}

24.66 {23.00, 27.01}

0.939

TG

16.76 {13.75, 20.07}

18.17 {16.08, 21.55}

0.002a

17.29 {13.64, 21.24}

17.81 {15.77, 20.30}

0.184

Atlanta

 SAP, n%

36 (33.28%)

91 (41.73%)

0.149

31 (39.74%)

44 (37.93)

0.881

 MSAP, n%

22 (20.18%)

36 (16.51%)

0.000

17 (21.79%)

22 (18.97%)

0.715

 MAP, n%

51 (46.79%)

91 (41.74%)

0.409

30 (38.46%)

50 (43.10%)

0.554

Coexisting disease (n %)

 DM

80 (73.39%)

177 (81.19%)

0.117

59 (75.64%)

94 (81.03%)

0.376

 Alcoholic

23 (21.10%)

56 (25.69%)

0.412

19 (24.36%)

30 (25.86%)

0.867

Concomitant treatment

 Fenofibrate (started within 5 days of onset)

55.46% (60/109)

49.08% (107/218)

0.348

57.69% (45/78)

49.14% (57/116)

0.240

 Fenofibrate (started after 5 days of onset)

8.26% (29/109)

27.06% (59/218)

1.000

32.05% (25/78)

25.86% (30/116)

0.417

Standardized differenceb

 

Pre-matched (95% CI)

Matched (95% CI)

 TG

0.009 (-0.221–0.239)

0.106 (-0.181–0.394)

 BMI

0.183 (-0.047–0.414)

0.012 (-0.275–0.299)

 Age

0.075 (-0.155–0.305)

0.073 (-0.214–0.360)

 Sex

0.163 (-0.068–0.393)

0.137 (-0.151–0.424)

 Severity

0.184 (-0.047–0.414)

0.1 (-0.187–0.388)

  1. Values are expressed as Median {25th, 75th percentile} or number (%)
  2. DM diabetes mellitus
  3. ap < 0.01 between two groups
  4. bcalculated with “R” package stddiff version 3.0