Table 1 Characteristics of patients in unmatched group and the propensity score matched group
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 | |
Age (years) | 62.4 ± 13.0 | 62.1 ± 11.0 | 0.868 | 63.1 ± 13.2 | 63.4 ± 11.5 | 0.893 |
Gender (male/female) | 37/30 | 162/79 | 0.069 | 30/22 | 24/28 | 0.326 |
Diabetes mellitus(%) | 6(9) | 35(14.5) | 0.235 | 4(7.7) | 3(5.8) | 0.696 |
Albumin(g/dL) | 38.7 ± 5.0 | 38.6 ± 4.8 | 0.891 | 38.2 ± 5.30 | 39.2 ± 5.07 | 0.352 |
WBC(/L) | 6.4 ± 2.1 | 6.2 ± 2.3 | 0.595 | 6.25 ± 2.14 | 6.36 ± 2.03 | 0.797 |
TB (umol/L) | 88.9 ± 96.0 | 98.9 ± 113.0 | 0.514 | 96.1 ± 98.9 | 96.5 ± 104.1 | 0.982 |
Malignant tumor(%) | 62(92.5) | 227(94.2) | 0.575 | 47(90.4) | 45(86.5) | 0.760 |
Jaundice reduced(%) | 5(7.5) | 12(5) | 0.544 | 5(9.6) | 7(13.5) | 0.539 |