Clinical Study

Correlation between Preoperative Anxiety and ABO Blood Types: Evidence from a Clinical Cross-Sectional Study

Table 2

Bivariate analysis of factors correlated with VA scores and HADS-A scores.

Independent variablesDependent variables
VA scoresHADS-A scores
Correlation coefficient valueCorrelation coefficient value

Age-0.110.034-0.130.019
Sex0.29<0.0010.18<0.001
BMI0.0200.700.010.86
ASA-0.140.011-0.110.035
Operation history0.0330.530.0520.33
Smoking0.0150.780.00910.87
VAS0.19<0.0010.150.006
Operation type0.0020.970.0270.62
Hypertension0.0240.65-0.00500.93
Diabetes0.0660.220.0410.44
Blood types0.130.0120.110.032

Note: Spearman’s correlation analysis and Pearson’s correlation analysis used in bivariate analysis. Significant difference between independent variables and dependent variables, (). BMI = body mass index; ASA = American Society of Anesthesiologists; VAS = visual analogue scale for pain.