Table 8. The relationship between S2 (feeling of tension in the affected area) with confounding factors

Characteristics	B	p-value
Feeling of tension in the affected area	1.817	0.006
Age	–0.003	0.621
Gender	–0.069	0.570
Stroke time	–0.002	0.190
BMI	0.012	0.554

Linear regression analysis.
B, regression coefficient; BMI, body mass index.