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Table 3 Summary of results of primary outcome and sensitivity analysis

From: Role of platelet to albumin ratio for predicting persistent acute kidney injury in patients admitted to the intensive care unit

 

Original cohort

Validation cohort

 

HR (95%CI)

P value

HR (95%CI)

P value

Unadjusted

2.89 (2.56–3.27)

< 0.001

2.24 (1.86–2.71)

< 0.001

Model 1

2.93 (2.59–3.32)

< 0.001

2.30 (1.90–2.79)

< 0.001

Model 2

3.12 (2.74–3.54)

< 0.001

2.36 (1.94–2.87)

< 0.001

Model 3

3.31 (2.91–3.78)

< 0.001

2.55 (2.05–3.16)

< 0.001

Model 4

3.45 (3.02–3.95)

< 0.001

2.77 (2.13–3.60)

< 0.001

  1. Model 1 adjusted for age, gender, weight, ethnicity. Model 2 adjusted for model 1 plus comorbidities and charlson comorbidity index. Model 3 adjusted for model 2 plus score systerm, interventions, and drug usage. Model 4 adjusted for model 3 plus vital signs and laboratory results except for platelets and serum albumin