Table 2.
RSWA comparisons between male and female subgroups
| Young mena (24–49 years) | Young womenb (24–49 years) | Old menc (50–78 years) | Old womend (50–80 years) | P-value <0.05 | |
|---|---|---|---|---|---|
| Number | 14 | 14 | 11 | 11 | |
| SM + AT phasic % | 14.3 ± 5.7 | 9.4 ± 5.6 | 22.4 ± 7.9 | 15.7 ± 9.9 | a > b, c > a, c > d, c > b |
| SM phasic % | 4.7 ± 2.5 | 6.2 ± 5.2 | 3.4 ± 2.3 | 6.4 ± 3.0 | |
| AT phasic % | 10.2 ± 5.0 | 3.5 ± 1.8 | 19.8 ± 8.1 | 9.8 ± 9.3 | a > b, c > a, c > b, d > b |
| SM tonic % | 0.1 ± 0.3 | 0 | 0 | 0 | |
| RAI | 0.95 ± 0.02 | 0.93 ± 0.05 | 0.96 ± 0.03 | 0.95 ± 0.02 | |
| SM duration (sec) | 0.51 ± 0.16 | 0.41 ± 0.1 | 0.52 ± 0.31 | 0.40 ± 0.09 | |
| AT duration | 0.54 ± 0.19 | 0.50 ± 0.33 | 0.42 ± 0.21 | 0.48 ± 0.21 |
RSWA, REM sleep without atonia; SM, submentalis muscle; AT, anterior tibialis muscle; RAI, REM atonia index.