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Table 2 Operative factors of patients 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
pancreaticogastrostomy (%) 55(82.1) 122(50.6) 0.000 42(80.8%) 41(78.8%) 0.807
Enteral nutrition(%) 9(13.4) 41(17.0) 0.482 9(17.3) 9(17.3) 1.000
Operation time (min) 358.6 ± 83.0 377.6 ± 90.0 0.125 353.5 ± 87.3 344.0 ± 56.8 0.512
Blood loss (ml) 463.7 ± 236.3 694.9 ± 680.9 0.012 471.7 ± 245.0 497.5 ± 279.7 0.618