Table 2.
Subjective and Objective sleep characteristics
| Variable | FACIT ≤ 24 (High Fatigue) Mean(SD) or % |
FACIT >24 (Low fatigue) Mean(SD) or % |
P-Value |
|---|---|---|---|
| Total Sleep Time (min) (n=161) | 341.4(127.8) | 343.21(107.1) | 0.64 |
| Sleep Efficiency (%) (n=161) | 72.13(14.0) | 72.0(15.9) | 0.78 |
| Sleep Latency (min) (n=161) | 27.9(29.0) | 39.7(53.3) | 0.45 |
| % Stage 1 (n=161) | 10.3(5.9) | 13.2(10.2) | 0.19 |
| % Stage 2 (n=161) | 64.3(12.2) | 58.8(11.7) | 0.01 |
| % Stage 3–4 (n=161) | 7.6(8.4) | 9.1(9.1) | 0.45 |
| REM % (n=161) | 17.9(10.3) | 18.9(8.1) | 0.53 |
| AHI (n=161) | 20.1(27.6) | 20.3(22.0) | 0.69 |
| Nocturnal hypoxemia (n=143) | 10.7(13.5) | 7.4(13.1) | 0.03 |
| PLM (n=159) | 3.8(4.2) | 4.8(5.1) | 0.32 |
| Arousals (n=157) | 21.9(8.3) | 24.9(10.9) | 0.24 |
| WASO (n=161) | 101.0(63.7) | 94.0(56.2) | 0.67 |
| PSQI (n=135) | 9.8(4.1) | 7.0(4.1) | 0.003 |
| ESS (n=157) | 10.2(5.6) | 7.8(4.1) | 0.03 |
| Restless legs syndrome (n=161) | 62.5% | 34.1% | 0.005 |
*
REM, Rapid Eye movement; AHI, Apnea Hypopnea Index; PLM, Periodic Leg movement; WASO, Wake after sleep onset; PSQI, Pittsburgh Sleep Quality Index; ESS, Epworth Sleepiness scale