Table 3.
Demographics and rates of fibromyalgia and chronic fatigue syndrome occurring alone or together
| Healthy controls (n = 39) | SDB (AHI 5–14; n = 36) | SDB (AHI >14; n = 86) | SDB (n=122) | Insomnia (n=21) | SDB vs. Insomnia (p value) | |
|---|---|---|---|---|---|---|
| Men, % (n) | 44 (17) | 50 (18) | 76 (65) | 68 (83) | 38 (9) | .009 |
| Age (SD), y | 42.9 (15.0) | 50.3 (11.2) | 51.8 (12.0) | 51.4 (11.7) | 37.8 (8.7) | .000 |
| BMI (SD), kg/m2 | 25.1 (4.0) | 30.7 (5.0) | 31.6 (4.2) | 31.3 (4.5) | 29.4 (5.2) | .070 |
| AHI (SE) | 1.8 (0.3) | 9.6 (0.6) | 39.7 (2.5) | 30.8 (2.1) | 1.9 (0.3) | .000 |
| RDI (SE) | 2.8 (0.4) | 12.2 (0.8) | 42.2 (2.4) | 33.3 (2.1) | 2.7 (0.4) | .000 |
| FM only, % (n) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 14 (3) | .003 |
| CFS only, % (n) | 0 (0) | 14 (5) | 8 (7) | 10 (12)1 | 19 (4)3 | .189 |
| CFS + FM, % (n) | 0 (0) | 3 (1) | 4 (3) | 3 (4)2 | 14 (3)4 | .065 |
| No CFS or FM, % (n) | 100 (39) | 83 (30) | 88 (76) | 87 (106) | 52 (11) | .001 |
| With CFS or FM, % (n) | 0 (0) | 17 (6) | 12 (10) | 13 (16) | 48 (10) | .001 |
SDB = sleep disordered breathing; BMI = body mass index; FM = fibromyalgia; CFS = chronic fatigue syndrome.
1One man in this group had well controlled diabetes and well controlled hypertension.
2One woman in this group had well controlled diabetes and well controlled hypothyroidism.
3One man in this group had well controlled hypothyroidism.
4Two women in this group had well controlled hypertension.