Table 4.
Comparison Between Sleep Scoring Parameters in the 3 Groups of Subjects
| 1. Controls (n=35) |
2. Narcolepsy−RBD (n=17) |
3. Narcolepsy+RBD (n=17) |
Mann-Whitney U test* |
||||||
|---|---|---|---|---|---|---|---|---|---|
| mean | SD | mean | SD | mean | SD | 1 vs. 2 P< |
1 vs. 3 P< |
2 vs. 3 P< |
|
| TIB, min | 457.4 | 63.19 | 508.4 | 79.72 | 521.0 | 73.47 | 0.021 | 0.006 | NS |
| SPT, min | 429.9 | 52.11 | 496.6 | 75.12 | 498.6 | 84.49 | 0.005 | 0.007 | NS |
| TST, min | 367.4 | 69.50 | 423.9 | 70.69 | 436.6 | 70.70 | 0.03 | 0.007 | NS |
| SOL, min | 20.1 | 24.01 | 6.2 | 2.77 | 16.8 | 33.13 | NS | NS | NS |
| FRL, min | 98.0 | 76.49 | 31.2 | 31.29 | 39.2 | 42.71 | 0.0009 | 0.006 | NS |
| SE% | 81.4 | 16.91 | 83.9 | 10.22 | 84.1 | 9.93 | NS | NS | NS |
| WASO, % | 14.1 | 15.65 | 14.1 | 9.82 | 12.3 | 7.63 | NS | NS | NS |
| S1, % | 4.1 | 4.07 | 12.6 | 6.71 | 12.9 | 5.81 | 0.00002 | 0.00001 | NS |
| S2, % | 46.5 | 10.50 | 32.6 | 7.93 | 34.7 | 8.25 | 0.00009 | 0.0006 | NS |
| SWS, % | 17.3 | 9.92 | 18.3 | 6.73 | 17.0 | 8.68 | NS | NS | NS |
| REM, % | 18.1 | 6.93 | 22.4 | 5.57 | 23.0 | 6.17 | NS | NS | NS |
TIB = Time in bed; SPT = sleep period time; TST = total sleep time; SOL = sleep onset latency; FRL = 1st REM latency; SE%= sleep efficiency; WASO = wakefulness after sleep onset; S1 = NREM sleep stage 1; S2 = NREM sleep stage 2; SWS = slow wave sleep; REM = rapid eye movement sleep.
*
Bonferroni corrected P values.