Association between admission heart rate and in-hospital mortality in patients with acute exacerbation of chronic obstructive pulmonary disease and respiratory failure: a retrospective cohort study

Table 3 Association between admission Heart rate and in-hospital mortality in multiple regression

Variable	Model 1		Model 2		Model 3		Model 4
Variable	OR_95CI	P_value	OR_95CI	P_value	OR_95CI	P_value	OR_95CI	P_value
Heart rate(bpm)	1.03 (1.01 ~ 1.05)	0.012	1.03 (1.0 ~ 1.05)	0.036	1.03 (1.0 ~ 1.05)	0.035	1.03 (1.0 ~ 1.07)	0.035

Mode 1: Non-adjusted
Model 2: Adjust for age, sex, smoking status,NEWS score,
Model 3: Adjust for the variables in Model 2 plus Respiratory failure Type, DM,HBP,cor pulmonale,CHD,
Model 4: Adjust for the variables in Model 3 plus PO2,PCO2,NEU%, HB,platelet,ALB,BUN,Creatinine,Potassium, Sodium,
Abbreviations:OR Odds ratio, CI Confidence interval

ISSN: 1471-2466