Table 1 Comparison of demographics and clinical characteristics of the three groups
Group | Cases | Age (years) | Weight (kg) | ASA (I / II) | Sex (male/female) | procedure time, min |
|---|---|---|---|---|---|---|
I | 50 | 53.4 ± 3.3 | 67.5 ± 2.6 | 20/30 | 27/23 | 20.3 ± 1.4 |
II | 50 | 51.6 ± 2.5 | 63.3 ± 1.8 | 22/28 | 26/24 | 21.2 ± 1.0 |
III | 50 | 55.8 ± 2.8 | 63.9 ± 2.6 | 19/31 | 24/26 | 20.7 ± 1.2 |