Table 2.
Sleep study data. Values are mean (95%CI).
| Standard agents | Short‐acting agents | p value | |
|---|---|---|---|
| Pre‐operative baseline | (n = 24) | (n = 25) | |
| AHI; events.h−1 | 17.6 (11.0–24.1) | 19.4 (11.7–27.1) | 0.68 |
| OAI; events.h−1 | 4.1 (1.2–7.0) | 4.7 (0–9.4) | 0.68 |
| CAI; events.h−1 | 1.5 (0.1–2.9) | 2.6 (1.3–3.9) | 0.12 |
| MAI; events.h−1 | 8.3 (0.5–16.0) | 10.8 (1.2–20.5) | 0.42 |
| HI; events.h−1 | 10.8 (7.0–14.7) | 10.5 (7.3–13.7) | 0.86 |
| ODI; events.h−1 | 21.0 (13.6–28.3) | 22.9 (15.7–30.1) | 0.67 |
| Mean SpO2; % | 92.2 (91.0–93.3) | 92.8 (92.1–93.5) | 0.35 |
| Time with SpO2 < 90%; % | 16.1 (4.5–27.6) | 8.7 (2.1–15.3) | 0.09 |
| Supine time; % | 52.6 (39.8–65.4) | 53.5 (41.7–65.4) | 0.92 |
| Postoperative night 1 | (n = 24) | (n = 25) | |
| AHI; events.h−1 | 20.7 (13.4–28.0) | 18.8 (12.7–25.0) | 0.73 |
| OAI; events.h−1 | 4.4 (−1.1–9.9) | 1.9 (−0.3–4.1) | 0.06 |
| CAI; events.h−1 | 2.1 (−0.2–4.4) | 1.7 (0.6–2.8) | 0.56 |
| MAI; events.h−1 | 5.4 (1.7–9.0) | 2.9 (−0.8–6.7) | 0.37 |
| HI; events.h−1 | 13.4 (8.7–18.1) | 14.7 (10.2–19.1) | 0.67 |
| ODI; events.h−1 | 29.0 (19.8–381) | 28.0 (20.3–35.7) | 0.89 |
| Mean SpO2; % | 91.5 (90.4–92.7) | 91.1 (89.6–92.5) | 0.60 |
| Time with SpO2 < 90%; % | 24.6 (11.6–37.5) | 25.3 (10.1–40.5) | 0.93 |
| Supine time; % | 93.7 (88.0–99.3) | 98.4 (95.2–101.7) | 0.16 |
| Postoperative night 3 | (n = 12) | (n = 10) | |
| AHI; events.h−1 | 37.2 (17.8–56.6) | 28.1 (15.8–40.3) | 0.41 |
| OAI; events.h−1 | 15.2 (−0.1–30.5) | 7.9 (0.3–15.6) | 0.16 |
| CAI; events.h−1 | 4.5 (0.7–8.4) | 2.7 (0.2–5.2) | 0.22 |
| MAI; events.h−1 | 28.3 (4.5–52.2) | 7.8 (−1.3–16.9) | 0.05 |
| HI; events.h−1 | 13.6 (6.0–21.2) | 16.2 (8.5–23.9) | 0.58 |
| ODI; events.h−1 | 41.3 (20.0–62.6) | 34.5 (20.9–48.1) | 0.59 |
| Mean SpO2; % | 91.5 (89.7–93.3) | 93.1 (91.3–95.0) | 0.14 |
| Time with SpO2 < 90%; % | 19.7 (2.1–37.3) | 14.1 (−3.4–31.5) | 0.51 |
| Supine time; % | 97.7 (94.8–100.6) | 100.0 (100.0–100.0) | 0.10 |
AHI, apnoea‐hypopnoea index; CAI, central apnoea index; HI, hypopnoea index; MAI, mixed apnoea index; OAI, obstructive apnoea index; ODI, oxygen desaturation index.