Key demographics in the IFL, OSAS and NFL “Control” cohorts
| Inspiratory flow limitation (IFL) cohort (n = 20; female = 13) | Obstructive sleep apnoea syndrome (OSAS) Cohort (n = 20; female = 13) | “NFL” Control group(n = 20; female = 13) | f Value | P value | |
|---|---|---|---|---|---|
| Age (years) | 47 (8.39) | 45 (8.30) | 47 (8.79) | F = 0.28 | P = 0.76 |
| BMI (kg/m2) | 34.25 (6.63) | 36.31 (5.62) | 28.90 (6.81) | F = 7.21 | P = 0.002 |
| AHI (per hour) | 3.84 (1.16) | 48.93 (16.77) | 1.01 (1.05) | F = 152.78 | P < 0.001 |
| RDI (per hour) | 17.71 (5.34) | 57.22 (16.33) | 2.63 (1.34) | F = 159.72 | P < 0.001 |
| Oxygen Saturation | 95.05 (1.85) | 93.75 (1.55) | 95.90 (1.48) | F = 10.14 | P < 0.001 |
| Epworth Sleepiness Score (ESS) at presentation | 16.35 (3.65) | 14.45 (5.52) | 7.90 (6.21) | F = 12.49 | P < 0.001 |
| Presence of Hypertension | 5/20 | 5/20 | 0/20 | F = 3.16 | P = 0.05 |
| Presence of Cardiac Disease | 1/20 | 1/20 | 0/20 | F = 0.5 | P = 0.61 |