Table 1.

Baseline characteristics of the groups.

Characteristics	Lidocaine group (n=30)	Control group (n=30)	P-value
Age (years)	64.6 (±10.3)	60.3 (±7.5)	0.66
Male, n (%)	22 (73.4%)	27 (90%)	0.09
Female, n (%)	8 (26.6%)	3 (10%)
Weight (kg)	76 (±11.8)	76.4 (±12.7)	0.89
Height (cm)	166 (±9.0)	169 (±6.1)	0.20
Body mass index (kg/m2)	27.3 (±4.3)	26.6 (±3.3)	0.44
DM alone, n (%)	2 (6.6%)	3 (10 %)	0.57
HT alone, n (%)	5 (16.6%)	5 (16.6%)	0.70
DM + HT, n (%)	10 (33.3%)	11 (36.6%)	0.95
Smoking, n (%)	10 (33.3%)	12 (%40)	0.54
COPD, n (%)	3 (10 %)	4 (13.3%)	0.62
Hyperthyroidism	3 (10 %)	4 (13.3%)	0.76

COPD=chronic pulmonary obstructive disease; DM=diabetes mellitus; HT=hypertension

→Values are expressed as mean (standard deviation) or n (%).