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. Author manuscript; available in PMC: 2020 Mar 1.
Published in final edited form as: Sleep Med. 2018 Dec 30;55:115–123. doi: 10.1016/j.sleep.2018.12.013

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’].