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Table 5 Risk of HCAI and death using a Cox regression model

From: Estimating extra length of stay and risk factors of mortality attributable to healthcare-associated infection at a Chinese university hospital: a multi-state model

Outcome

Predictor

HR

95% CI

P-value

HCAI

Age

Below 65 years old

1

  

Above 65 years old

1.383

(1.246, 1.534)

< 0.001

DEAD

Age

Below 65 years old

1

  

Above 65 years old

2.704

(2.250, 3.250)

< 0.001

HCAI

Not acquire HCAI

1

  

Acquire HCAI

2.921

(2.307, 3.698)

< 0.001

  1. Schoenfeld residuals
  2. HCAI as outcome: test: Age: p = 0.837
  3. DEAD as outcome: Global test: p = 0.552; detailed test: Age: p = 0.295; HCAI: p = 0.707