Table 2.
Sample descriptive data according to the RSI and RFS positive classification.
| Numerical variables | Others (n = 49) | RSI and RFS+ (n = 7) | p | Size effect | Observed power |
|---|---|---|---|---|---|
| Mean ± SD | Mean ± SD | ||||
| Age (years) | 50.0 ± 12.0 | 43.3 ± 8.4 | 0.16 | 0.03 | 0.27 |
| BMI (kg/m2) | 31.8 ± 4.5 | 31.3 ± 7.1 | 0.74 | 0.02a | 0.05 |
| NC (cm) | 41.5 ± 4.5 | 41.5 ± 6.6 | 0.87 | 0.00 | 0.05 |
| AHI | 30.8 ± 22.5 | 58.0 ± 48.4 | 0.14 | 0.10 | 0.69 |
| AHI/h | 48.6 ± 27.9 | 75.0 ± 44.8 | 0.05a | 0.07 | 0.56 |
| Sat. O2 min. (%) | 74.2 ± 9 | 66.8 ± 11.8 | 0.10 | 0.01 | 0.17 |
| % Sat < 90% | 17.3 ± 18.9 | 40.9 ± 30.5 | 0.05a | 0.06 | 0.48 |
LPR, laryngo-pharyngeal reflux; RSI, reflux symptom index; RFS, reflux finding score; BMI, body mass index; NC, neck circumference; AHI, arousal index per hour of sleep; AHI/h, apnea–hypopnea index per hour of sleep; RDR, respiratory disturbance rate per hour of sleep; Sat. O2 min., minimal oxyhemoglobin saturation; % Sat < 90%, oxyhemoglobin saturation percentage below 90%; p, level of statistical significance.
a
p < 0,05.