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Table 2 Mortality due to infection during 2004–2015 before and after PS matching

From: History of anemia and long-term mortality due to infection: a cohort study with 12 years follow-up in South Korea

Variable

Infectious mortality (n, %)

Cox regression

P-value

HR (95% CI)

Before PS matching

 Non-anemic group

2008/463,863 (0.4)

1

 

 Anemia group

437/49,042 (0.9)

2.14 (1.93, 2.37)

< 0.001

After PS matching

 Non-anemic group

256/49,039 (0.5)

1

 

 Anemia group

437/49,039 (0.9)

1.77 (1.52, 2.06)

< 0.001

  1. PS, propensity score; HR, hazard ratio; CI, confidence interval