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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