Table 3.

Multiple linear regression analysis of blood pressure and PEEP

Hypertension group (PEEP≥4cmH2O)	Model1	Model 2	Model 3
SBP
Beta	−0.417	− 0.428	−0.473
P	< 0.001	< 0.001	< 0.001
DBP
Beta	−0.277	−0.307	− 0.341
P	0.004	0.002	0.001
MABP
Beta	−0.394	− 0.423	−0.467
P	< 0.001	< 0.001	< 0.001

Model 1: Adjustment for age and gender; Model 2: Adjustment for age, gender, triglyceride, total cholesterol, low density lipoprotein cholesterin, fasting plasma glucose, serum creatinine and uric acid; Model 3: Adjustment for hemoglobin, body temperature, minute ventilation volume and peripheral oxygen saturation on the basis of Model 2

SBP Systolic blood pressure, DBP Diastolic blood pressure, MABP Mean arterial blood pressure