Table 1 Patient characteristics
Liberal fluid infusion group (PPV target 6–9%) n=48 | Restrictive fluid infusion group (PPV target 13–16%) n=49 | |
|---|---|---|
Age (year) | 51±8 | 49±10 |
Gender (n) | ||
Male | 21 (0.44) | 25 (0.51) |
Female | 27 (0.56) | 24 (0.49) |
Height (cm) | 166.4±9.2 | 167.5±9.5 |
Weight (kg) | 65.7±11.0 | 67.7±10.9 |
Body mass index (BMI) (kg•m-2) | 23.6±2.5 | 24.0±2.4 |
ASA physical status (n) | ||
I | 26 (0.54) | 29 (0.59) |
II | 22 (0.46) | 20 (0.41) |
Comorbidity (n), total | 22 (0.46) | 20 (0.41) |
Hypertension | 18 (0.38) | 16 (0.33) |
Diabetes mellitus | 6 (0.13) | 9 (0.18) |
Asthma | 2 (0.04) | 0 (0) |
Number of lumbar segments (n) | ||
1 | 29 (0.60) | 36 (0.73) |
2 | 17 (0.35) | 11 (0.22) |
3 | 2 (0.04) | 2 (0.04) |