Table 1: Demographic and clinical characteristics.

Variables All patients (n = 161)
Mean (range) age (years) 69 (65-80)
Mean (range) weight (kg) 60 (37-97)
Sex:
Male 96
Female 65
ASA score:
II 88
III 73
Smoking:
Yes 64
No 97
No comorbidities 109
Comorbidities
Hypertension 21
Diabetes 11
Both 20

Abbreviations: ASA: American Society of Anesthesiologists.