Table 1.
Demographic, clinical, and cognitive characteristics
| Characteristics | OSA (n = 20) | HC (n = 24) | Statistics | p Value |
|---|---|---|---|---|
| Gender (female/male) | 16/4 | 15/9 | χ 2 = 1.605 | .205a |
| Age (years) | 43.1 ± 10.5 | 40.7 ± 10.0 | t = 0.768 | .447b |
| Education (years) | 12.5 ± 4.4 | 12.1 ± 3.8 | t = 0.301 | .765b |
| BMI (kg/m2) | 26.3 ± 2.5 | 22.8 ± 2.4 | t = 4.591 | <.001b |
| AHI | 49.0 ± 22.5 | NA | NA | NA |
| Mean SaO2 (%) | 94.1 ± 2.4 | NA | NA | NA |
| Nadir SaO2 (%) | 77.9 ± 8.3 | NA | NA | NA |
| ESS | 9.3 ± 5.0 | 2.9 ± 2.4 | t = 5.509 | <.001b |
| EBPM | 4.2 ± 2.9 | 5.2 ± 2.9 | t = −1.210 | .233b |
| TBPM | 3.2 ± 2.1 | 3.8 ± 1.9 | t = −0.920 | .363b |
| CPT‐IP‐2 | 3.1 ± 0.8 | 2.8 ± 1.1 | t = 1.047 | .301b |
| CPT‐IP‐3 | 2.5 ± 0.8 | 2.6 ± 0.9 | t = −0.264 | .793b |
| CPT‐IP‐4 | 1.7 ± 0.7 | 1.4 ± 0.9 | t = 0.939 | .353b |
The data are presented as the mean ± standard deviation.
Abbreviations: AHI, apnea/hypopnea index; BMI, body mass index; CPT‐IP, Continuous Performance Task‐Identical Pairs; EBPM, event‐based prospective memory; ESS, Epworth sleepiness scale; HC, healthy controls; NA, not available; OSA, obstructive sleep apnea; SaO2, oxygen saturation; TBPM, time‐based prospective memory.
a
The p value was obtained by Pearson chi‐square test.
b
The p values were obtained by two‐sample t tests.