Table 2 Standardized mean differences before and after propensity score matching for main covariates. SMD = standardized mean difference.

From: Methodological guidance on implementing propensity score matching in observational studies of kidney transplantation

Covariate

SMD Before

Matching

SMD After

Matching

Age ≥ 50

−0.311

0.000

Dialysis ≥ 24 Months

0.027

0.041

Male

−0.085

−0.156

Blood Type O

0.032

0.000

Blood Type A

−0.019

0.000

Blood Type B

−0.008

0.000

Blood Type AB

−0.005

0.000

Race: Parda

0.029

0.000

Race: White

−0.011

0.000

Race: Black

0.003

0.000

Race: Amarela

−0.021

0.000

Subregion: UNICAMP

0.017

0.000

Subregion: UNIFESP

−0.020

0.000

Subregion: FUNDERP

0.004

0.000

Subregion: HCFMUSP

−0.001

0.000