Table 3.
Multiple Sleep Latency Test (MSLT) Outcomes by Age Group (n=2498).
| Age Category | Analyses1 | |||||
|---|---|---|---|---|---|---|
| Mean | ≤12 yrs. |
13-20 yrs. |
21-59 yrs. |
≥ 60 yrs. |
||
| MSLT FINDINGS ^ | ||||||
| Consistent with Narcolepsy | ||||||
| ≥2 SOREMPs & MSL≤8 min | 16.3% | 11.0% | 19.2% | 16.8% | 10.8% | X2 (3,2498)=14.3 p=.003 |
| Consistent with IH | ||||||
| Sum | 41.0% | 18.1% | 24.1% | 48.5% | 44.6% | X2 (3,2498)=138.4 p<.001 |
| 1 SOREMP & MSL≤8 min | 12.8% | 8.1% | 8.7% | 15.0% | 9.2% | |
| 0 SOREMP & MSL≤8 min | 28.3% | 10.0% | 15.4% | 33.5% | 35.4% | |
| Normal Result | ||||||
| 0 SOREMP & MSL>8 min | 28.0% | 43.8% | 29.9% | 24.5% | 35.4% | X2 (3,2498)=41.3 p<.001 |
| Ambiguous | ||||||
| Sum | 14.7% | 27.1% | 26.9% | 10.2% | 9.2% | X2 (3,2498)= 112.4 p<.001 |
| ≥2 SOREMPs & MSL>8 min | 4.8% | 7.1% | 10.2% | 3.0% | 3.6% | |
| 1 SOREMP & MSL>8 min | 9.9% | 20.0% | 16.6% | 7.2% | 5.6% | |
^
Number of SOREMPs between PSG and MSLT;
1
Chi Square analysis- age category vs. dummy coded MSLT outcome variable [% present vs. ‘other’].