Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Patient characteristics.
| Value (n = 195) | |
|---|---|
| Age | 69.6 ± 12.3 |
| Catheter length in epidural space (cm) | 6.9 ± 0.9 |
| Height (cm) | 158.2 ± 9.3 |
| Weight (cm) | 65.3 ± 11.7 |
| BMI | 26.1 ± 4.1 |
| Bolus dose | 2.0 ± 0.3 |
| Gender | |
| Female | 104 (53.3%) |
| Male | 91 (46.7%) |
| Operation type | |
| Total knee replacement | 133 (68.2%) |
| Others | 62 (31.8%) |
| Epidural level | |
| L2-3 | 37 (19.0%) |
| L3-4 | 142 (72.8%) |
| L4-5 | 16 (8.2%) |
Parametric data were shown as mean with SD.
Categorical data were shown as count and percentage.
