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Table 3 postoperative factors in unmatched group and the propensity score matched group

From: Delayed gastric emptying after Pancreaticoduodenectomy: a propensity score-matched analysis and clinical Nomogram study

Parameter

Before propensity matching

After propensity matching

PPPD group

(n = 67)

PrPD group

(n = 241)

P value

PPPD group

(n = 52)

PrPD group

(n = 52)

P value

Complications(%)

 Pancreatic fistula

20(29.9%)

42(17.4%)

0.025

13(25.0%)

12(23.1%)

0.819

 Biliary leakage

1(1.5%)

19(7.9%)

0.088

0(0%)

1(1.9%)

0.315

 Intra-abdominal infection

19(28.4)

58(24.1%)

0.473

16(30.8%)

9(17.3%)

0.108

 Bleeding

3(4.5%)

7(2.9%)

0.458

3(5.8%)

1(1.9%)

0.308

hospital stay (day)

16.4 ± 7.68

21.3 ± 13.7

0.004

16.6 ± 8.08

18.5 ± 9.95

0.268

Cost (CNY)

41,273.2 ± 9915.1

48,869.8 ± 29,867.7

0.041

41,273.2 ± 9385

49,443.6 ± 34,212

0.097

Death(%)

1(1.5%)

4(1.7%)

1.000

1(1.9%)

1(1.9%)

0.315

DGE(%)

13(19.4%)

41(17.0%)

0.649

10(19.2%)

2(3.8%)

0.014

Severe DGE

12(17.9%)

21(8.7%)

0.031

9(17.3%)

0(0%)

0.003