Characteristics and overnight oximetry results from two study populations: men in primary care (Bicester, Oxfordshire, 1999)10 and current diabetes study
| Bicester study RM50(N = 275) | Diabetes study Pulsox-3i(N = 240) | p value | |
|---|---|---|---|
| BMI, body mass index; ESS, Epworth sleepiness score; OSA, obstructive sleep apnoea. | |||
| Results are shown as mean (SD, 0–100% range). | |||
| Age | 51.2 (8.2, 33–72) | 61.7 (9.9, 33–75) | <0.001 |
| BMI | 27.2 (3.7, 19.4–40.1) | 28.8 (4.9,19.2–47.8) | <0.001 |
| Neck size | 39.7 (2.8, 31–47) | 42.2 (3.0, 34.3–53.3) | 0.002 |
| ESS | 6.7 (3.8, 0–17) | 8.0 (4.5, 0–21) | <0.001 |
| 4% Sao2 dips/hour | 0.54 (6.1, 0–38) | 6.8 (10.1, 0–70.7) | <0.001 |
| Mean overnight Sao2 | 96.0 (1.2, 91–98) | 94.4 (2.5, 76.5–97.6) | <0.001 |
| Min overnight Sao2 | 89.2 (5.7, 55–96) | 81.9 (10.8, 25–94) | <0.001 |
| No with OSA (more than 10>4% Sao2 dips/hour) | 16 (5.8%) | 40 (17%) | <0.001 |