25 August 2023: Clinical Research
Exploring the Impact of Positional Sleep Apnea in a Turkish Population: Unveiling the Untold Story
Makbule Ozlem Akbay ABCDEF* , Canan Gunduz Gurkan ABCDEF , Ayse Ezgi Ak BCDEF , Sema Sarac ABCDEFDOI: 10.12659/MSM.941425
Med Sci Monit 2023; 29:e941425
Table 3 Polysomnography findings overall and in POSA vs non-POSA groups.
| Polysomnography data | Total OSA (n=782) | Non-POSA (n=312) | POSA (n=470) | p value | ||
|---|---|---|---|---|---|---|
| Mean | Median (min–max) | Median (min–max) | Median (min–max) | |||
| 8 | 7 (0–24) | 7 (0–24) | 7 (0–24) | 0.329 | ||
| Total | 392.9 | 399.0 (205.0–519.5) | 394.7 (205.0–519.5) | 403.0 (246.0–508.0) | 0.132 | |
| Supine | 194.7 | 190.25 (32.0–426.5) | 187.3 (33.5–420.0) | 193.50 (32.0–426.5) | 0.422 | |
| Lateral | 197.7 | 201.5 (33.0–469.5) | 196.3 (33.0–469.5) | 204.0 (40.0–420.0) | 0.105 | |
| Total | 35.8 | 28.8 (5.0–123.8) | 54.4 (6.3–123.8) | 22.0 (5.0–106.0) | ||
| Supine | 48.3 | 45.7 (0.0–132.0) | 57.4 (0.0–125.6) | 39.1 (2.4–132.0) | ||
| Non-supine | 24.5 | 13.6 (0.10–121.6) | 46.3 (4.3–121.6) | 6.1 (0.1–58.0) | ||
| REM | 32.7 | 27.1 (0.0–120.0) | 52.8 (0.0–120.0) | 17.3 (0.0–120.0) | ||
| Non-REM | 35.6 | 28.5 (0.0–123.8) | 53.1 (0.0–123.8) | 21.1 (0.0–107.0) | ||
| 83.0 | 85.4 (45.0–99.5) | 84.3 (45.0–99.4) | 86.2 (47.0–99.5) | |||
| 15.3 | 10.3 (0.0–115.5) | 10.7 (0.0–102.6) | 10.2 (1.0–115.5) | 0.492 | ||
| 51.9 | 42.5 (0.0–225.0) | 42.8 (0.0–225.0) | 41.0 (0.0–214.0) | 0.804 | ||
| Stage 1 | 4.5 | 3.7 (0.0–18.9) | 3.9 (0.0–18.7) | 3.6 (0.2–18.9) | 0.125 | |
| Stage 2 | 65.3 | 65.7 (1.5–90.3) | 68.5 (2.9–90.3) | 63.9 (1.5–88.6) | ||
| Stage 3 | 19.0 | 18.6 (0.0–48.3) | 16.6 (0.0–47.9) | 19.8 (0.0–48.3) | ||
| Stage REM | 10.0 | 9.5 (0.0–28.7) | 8.7 (0.0–27.4) | 10.1 (0.0–28.7) | ||
| 72.9 | 70.0 (41.0–160.0) | 72.0 (41.0–160.0) | 68.0 (45.0–151.0) | |||
| 72.1 | 75.0 (30.0–92.0) | 70.0 (30.0–89.0) | 79.0 (32.0–92.0) | |||
| 93.2 | 94.0 (73.0–99.0) | 93.0 (73.0–99.0) | 94.0 (80.0–98.0) | |||
| 22.8 | 12.2 (0.0–100.0) | 29.4 (0.1–100.0) | 6.9 (0.0–100.0) | |||
| 37.7 | 31.0 (0.3–197.0) | 54.4 (4.81–127.6) | 23.2 (0.3–197.0) | |||
| 21.7 | 20.6 (1.6–54.5) | 21.1 (1.6–54.5) | 20.4 (12.2–39.7) | 0.107 | ||
| OSA – obstructive sleep apnea; POSA – positional OSA; non-POSA – non-positional OSA; ESS – Epworth Sleepiness Scale; TST – total sleep time; AHI – apnea-hypopnea index; REM – rapid eye movement; SaO2 – oxygen saturation; SIT90% (%TST) – the percentage of time spent at oxygen saturation below 90% in TST; ODI – oxygen desaturation index; MAD – mean apnea-hypopnea duration. | ||||||