Table 2 Primary and secondary outcomes. Corresponding effect estimates and 95% confidence intervals are detailed in the results section. PACU: post-anesthesia care unit; PONV: postoperative nausea and vomiting; QoR-15: 15-item quality of recovery Questionnaire. Data are presented as n(%) or median [interquartile range].
Parameters | Mini-mint ice cubes group (n = 93) | Room temperature water group (n = 94) | Absolute fasting group (n = 92) | P value |
|---|---|---|---|---|
Primary outcome | ||||
Thirst intensity at PACU discharge | 3 [1–5] | 4 [2–5] | 7 [5–9] | <0.001 |
Secondary outcomes | ||||
Length of PACU stay (min) | 35 [30–43] | 40 [33–45] | 40 [35–55] | <0.001 |
Oropharyngeal discomfort at PACU discharge | 12 (12.9) | 14 (14.9) | 25 (27.2) | 0.025 |
PONV in the PACU | 2 (2.2) | 2 (2.1) | 2 (2.2) | 1.000 |
Patient satisfaction score at PACU discharge | 4 [4–5] | 4 [4–5] | 3 [2–4] | <0.001 |
PONV for 24 h after surgery | 5 (5.4) | 9 (9.6) | 11 (12) | 0.284 |
QoR-15 score at 24 h after surgery | 124 [119–130] | 119 [114–125] | 117 [111–123] | <0.001 |
Time of bowel function recovery (flatus or stools) (h) | 10 [4–18] | 12 [5–20] | 10 [5–17] | 0.831 |
Postoperative delirium | 5 (5.4) | 4 (4.3) | 5 (5.4) | 0.917 |
Length of hospital stay after surgery (d) | 5 [4–7] | 5 [4–7] | 5 [4–7] | 0.662 |
Adverse events | ||||
Cough | 0 (0.0) | 6 (6.4) | NA | 0.013 |
Hypoxemia | 0 (0.0) | 0 (0.0) | 0 (0.0) | NA |
