Spo2, entire night (%) | 94 (93–95) | 90* (88–91) | 90* (88–91) | 86* † ‡ (84–89) | 87* † ‡ (84–89) |
Spo2 during REM (%) | 94§ (93–95) | 89* § (88–91) | 90* § (88–91) | 85* † ‡ § (83–89) | 86* † ‡ § (84–89) |
Spo2 during REM (%) | 94 (90–95) | 87* (84–91) | 88* (85–91) | 83* † ‡ (78–88) | 84* † ‡ (81–87) |
Ptcco2, entire night (mm Hg) | 49 (44–50) | 39* (36–41) | 39* (37–41) | 37* (33–42) | 37* † ‡ (33–39) |
Ptcco2 during NREM (mm Hg) | 49 (46–50) | 40* § (37–44) | 39* § (36–42) | 38* (35–42) | 39* (34–40) |
Ptcco2 during REM (mm Hg) | 51 (48–51) | 41* (37–44) | 43* (37–44) | 40* (36–42) | 39* (34–42) |
Oxygen desaturation index (1/h) | 37.3 (14.6–52.7) | 67.6* (37.6–88.2) | 57.4* (32.1–86.1) | 80.6*† ‡ (52.4–103.4) | 71.5* † ‡ (43.4–98.6) |
Total AHI (events/h) | 51.2 (31.7–74.4) | 85.1* (53.9–94.3) | 68.5* (51.3–95.7) | 90.0* † ‡ (64.2–103.2) | 88.6* ‡ (62.4–108.4) |
Obstructive AHI (events/h) | 39.4 (24.1–65.8) | 32.1 (21.3–71.8) | 33.0 (15.3–60.0) | 32.0 (3.3–54.6) | 25.2 (6.5–58.8) |
Central AHI (events/h) | 2.4 (0.4–8.8) | 25.4* (17.0–55.9) | 32.7* (14.2–43.7) | 51.3* † ‡ (32.8–75.5) | 49.4* ‡ (22.6–57.8) |
Obstructive apnoea duration (s) | 21.0 (16.4–24.9) | 22.8 (17.7–26.6) | 22.6 (18.5–27.8) | 18.8‡ (13.3–22.8) | 18.5‡ (15.4–24.1) |
Central apnoea duration (s) | 11.6 (8.9–18.2) | 15.5* (13.2–19.3) | 15.1 (12.7–19.4) | 14.2† (12.5–16.7) | 15.3 (12.2–18.3) |
Heart rate (1/min) | 57.2 (54.7–61.8) | 61.1* (57.2–66.4) | 61.5* (57.4–69.2) | 66.5* (58.4–72.0) | 62.6* (57.7–68.8) |
Premature beats, entire night (1/h) | 3.2 (0.6–11.2) | 6.7 (1.2–33.6) | 9.8* (3.0–31.0) | 7.2 (2.2–29.6) | 6.1 (1.2–30.4) |