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International Journal of Bipolar Disorders

Table 4 Results of the Subdistribution Hazards model

From: Lifetime risk of severe kidney disease in lithium-treated patients: a retrospective study

    

95%CI for HR

 

Variable

Category

Reference

HR

Lower

Upper

p-value

Sex

0 (men)

REF

    
 

1 (women)

 

1.18

0.77

1.81

0.440

Start age

0 (18–34 years)

REF

    
 

1 (35–44 years)

 

3.20

1.37

7.45

0.007

 

2 (45–54 years)

 

3.18

1.37

7.39

0.007

 

3 (55–64 years)

 

3.80

1.64

8.79

0.002

 

4 (65–74 years)

 

8.25

3.60

18.90

 < 0.001

 

5 (≥ 75 years)

 

3.29

1.02

10.64

0.047

Start creatinine

0 (lower third)

REF

    
 

1 (middle third)

 

2.02

1.29

3.17

0.002

 

2 (upper third)

 

4.60

2.75

7.68

 < 0.001

  1. HR = Hazard Ratio. 95%CI = 95% Confidence Interval. REF = the reference category in each categorical variable. Number of patients included in the model: 2381. Outcome variable: Incident CKD4 + . Predictor variables: Sex, Start age (categorised) and Start creatinine (categorised)
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