Table 2.
Surgical procedure and intraoperative parameters
| Variable | Fentanyl (n = 79) | Esketamine (n = 81) | p |
|---|---|---|---|
| Total propofol dose, mg | 350 (290–420) | 300 (235–395) | 0.009 |
| Average propofol consumption, mg/kg/h | 10.7 ± 3.1 | 9.5 ± 3.1 | 0.022 |
| Induction time, min | 2 (2–3) | 2 (2–3) | 0.215 |
| Operation time, min | 34 (24–46) | 31 (21–43.5) | 0.474 |
| Awake time, min | 7 (5–10) | 9 (6–12) | 0.087 |
| Recovery time, min | 30 (24–34) | 31 (23.5–33.5) | 0.882 |
| Patient Satisfaction | 5 | 5 | 1 |
| Endoscopist satisfaction | 5 | 5 | 1 |
| Surgery difficulty | 0.201 | ||
| 1 | 59 (74.7) | 67 (82.7) | |
| 2 | 18 (22.8) | 14 (17.3) | |
| 3 | 2 (2.5) | 0 (0) |
Data are presented as mean ± SD, n (%), or median (IQRs), with the P-value representing the significance level for differences between groups A and E (Student’s t-test, Mann–Whitney U test, Pearson’s χ2 test, or Fisher exact test)