Evaluation of Stress Intensity and Anxiety Level in Preoperative Period of Cardiac Patients

Table 1

Determination of the coefficient of correlation in relation to the strength of the association.

Correlation coefficient	The strength of the correlation relationship
0.0–0.3	Lack
0.3–0.4	Weak
0.4–0.7	Average
0.7–0.9	Strong
0.9–1.0	Very strong