Caucasian | African American | Hispanic | P-Value | |
---|---|---|---|---|
Number | 100 | 100 | 100 | |
Age (years), mean ± s.d. | 51.2 ± 9.5 | 48.5 ± 11.4 | 48.6 ± 10.4 | n.s. |
Height (m), mean ± s.d. | 1.70 ± 0.11 | 1.71 ± 0.11 | 1.65 ± 0.08 | < 0.0001* |
Weight (kg), mean ± s.d. | 128.9 ± 31.9 | 125.7 ± 31.6 | 112.9 ± 27.6 | 0.0005* |
BMI (kg/m2), mean ± s.d. | 44.7 ± 10.5 | 42.9 ± 9.7 | 41.6 ± 9.0 | n.s. |
ESS, mean ± s.d. | 13.5 ± 5.1 | 13.8 ± 6.2 | 13.2 ± 6.2 | n.s. |
AHI (events/hour), mean ± s.d. | 41.9 ± 36.6 | 43.0 ± 34.2 | 55.5 ± 41.2 | 0.028** |
SpO2 nadir (%), mean ± s.d. | 73.5 ± 13.5 | 72.9 ± 13.8 | 68.5 ± 17.5 | n.s. |
Bruxism, number (%) | 35 (35%) | 23 (23%) | 19 (19%) | 0.026** |
GERD, number (%) | 34 (34%) | 40 (40%) | 31 (31%) | n.s. |
Insomnia, number (%) | 84 (84%) | 82 (82%) | 81 (81%) | n.s. |
RL symptoms, number (%) | 34 (34%) | 36 (36%) | 38 (38%) | n.s. |