N = 1095
Demographic characteristics
Median Age (yr)
Median Weight (kg)
Median Height (m)
Median BMI (kgm-2)
Male
Female
40 (range: 26 – 54)
66.4 (range: 57.0 – 75.0)
1.67 (1.60 – 1.72)
24.2 (21.5 – 27.2)
744 (67.9%)
351 (32.1%)
Surgical disciplines
Orthopaedic Surgery
General Surgery
Urology
Ear Nose Throat (ENT)
Ophthalmology
Dental
485 (44.3%)
328 (30.0%)
171 (15.6%)
19 (1.7%)
10 (0.9%)
82 (7.5%)
Positioning
Supine
Lithotomy
Lateral
817 (74.6%)
197 (18.0%)
81 (7.4%)
Anesthesia Induction
IV Induction
Inhalational Induction
1075 (98.2%)
20 (1.8%)
Maintenance gas
Sevoflurane
Desflurane
Total Intravenous Anesthesia
900 (82.2%)
192 (17.5%)
3 (0.3%)
Mode of ventilation
VCV
PCV
SIMV
PSV
SV
499 (45.6%)
97 (8.9%)
125 (11.4%)
194 (17.7%)
180 (16.4%)
LMA types
LMA Proseal™
LMA Supreme™
Others
858 (78.4%)
121 (11.1%)
116 (10.5%)
LMA size
3
4
5
209 (19.1%)
691 (63.1%)
195 (17.8%)
Table 1: Characteristics of patients in terms of demographics, surgical disciplines and anaesthetic management.