Association of red cell distribution width/albumin ratio and in hospital mortality in patients with atrial fibrillation base on medical information mart for intensive care IV database

Table 2 Unadjusted and multivariate cox regression analyses for in hospital mortality

Outcome	Non-adjusted Model		Model I		Model II		Model III		Model IV
Outcome	OR(95%CI)	P-value	OR(95%CI)	P-value	OR(95%CI)	P-value	OR(95%CI)	P-value	OR(95%CI)	P-value
RAR [%/(g/L)]	1.16 (1.13,1.20)	< 0.001	1.15 (1.1,1.19)	< 0.001	1.12 (1.07,1.17)	< 0.001	1.12 (1.07,1.17)	< 0.001	1.12 (1.06,1.19)	< 0.001
RAR quartiles
Q1	1(Ref)		1(Ref)		1(Ref)		1(Ref)		1(Ref)
Q2	1.23 (0.98,1.54)	0.074	1.28 (0.96,1.72)	0.091	1.2 (0.89,1.60)	0.234	1.25 (0.93,1.68)	0.136	1.57 (1.06,2.32)	0.024
Q3	1.46 (1.18,1.81)	0.001	1.46 (1.1,1.92)	0.008	1.26 (0.95,1.68)	0.112	1.31 (0.99,1.75)	0.062	1.66 (1.13,2.43)	0.009
Q4	1.94 (1.59,2.38)	< 0.001	1.9 (1.46,2.47)	< 0.001	1.56 (1.18,2.05)	0.002	1.6 (1.21,2.11)	0.001	1.79 (1.23,2.61)	0.002
P for trend		< 0.001		< 0.001		0.001		0.001		0.007

Crude model: no other covariates were adjusted
Model I: Adjust for age, gender and BMI
Model II: Adjust for age, gender, BMI. sbp, dbp, Heart rate, respiratory rate
Model III: Adjust for age, gender, BMI. sbp, dbp, Heart rate, respiratory rate, hypertension, diabetes, myocardial infarct, congestive heart failure, cerebrovascular disease, chronic pulmonary disease
Model IV: Adjust for Model III plus hemoglobin, WBC, platelets, creatinine, BUN, glucose, lactate, ALT, AST, INR
OR, odd ratio; CI, confidence interval; Ref, reference; BMI, body mx index; WBC, white blood cell; SBP, systolic blood pressure; DBP, diastolic blood pressure; BUN, blood urea nitrogen; ALT, alanine aminotransferase; AST, aspartate aminotransferase; INR, international normalized ratio; RDW, red cell distribution width; RAR, RDW to albumin ratio

ISSN: 1471-2261