Table 1 Baseline characteristics.
Pre-group (n = 31) | Post-group (n = 47) | P value *2 | |
|---|---|---|---|
Mean (95% CI) | Mean (95% CI) | ||
Age | 68.4 (64.4–72.3) | 70.4 (67.2–73.6) | 0.4267 |
Height (cm) | 158.9 (155.2–162.6 ) | 157.4 (154.4–160.4) | 0.5243 |
Body weight (kg) | 62.3 (57.8–66.9) | 61.6 (57.9–65.3) | 0.8012 |
Body mass index | 24.5 (23.3–25.8) | 24.7 (23.7–25.8) | 0.8383 |
Operation time (min) | 170.6 (155.5–185.8) | 162.4 (150.1–174.7) | 0.4005 |
Blood loss *1 (mL) | 176.1 (134.1–231.3) | 175.1 (140.3–218.5) | 0.9751 |
Hb (g/dL) | 13.2 (12.7–13.7) | 13.7 (13.3–14.1) | 0.1080 |
AST (U/L) *1 | 22.0 (20.1–24.1) | 22.5 (20.9–24.2) | 0.7209 |
ALT (U/L) *1 | 19.6 (17.1–22.6) | 19.6 (17.5–22.0) | 0.9941 |
Fentanyl injection (mg) | 1.43 (1.32–1.53) | 1.32 (1.24–1.41) | 0.1255 |
Mean (%) | Mean (%) | P value*2 | |
Inhalation anesthesia | |||
Desflurane | 17 (54.8) | 7 (14.9) | 0.0003 |
Sevoflurane | 14 (45.2) | 40 (85.1) | |
Sex | |||
Female | 16 (51.6) | 26 (55.3) | 0.8184 |
Male | 15 (48.4) | 21 (44.7) | |
ASA-PS I | 7 (22.6) | 12 (25.5) | 1.0000 |
II | 24 (77.4) | 35 (74.5) | |
Intraoperative acetaminophen | |||
No | 3 (9.7) | 0 (0) | 0.0591 |
Yes | 28 (90.3) | 47 (100) | |
Surgical method | |||
PLIF | 24 (77.4) | 42 (89.4) | 0.2031 |
TLIF, MIS–TLIF | 7 (22.6) (MIS–TLIF 0) | 5 (10.6) (MIS–TLIF 2) | |