Table 2.
Comparison of cardiac scintigraphy results in patients with narcolepsy type 1 (NT1) and rapid eye movement sleep behavior disorder (RBD) and in patients with idiopathic RBD (iRBD).
| Variable | NT1 with RBD n = 34 | iRBD n = 15 | Model 0 | Model 1 | |||||
|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | OR [95% CI] | p | OR [95% CI] | p | ||
| Delayed H/M ratioa,b | 1.70 (1.20; 2.29) | 1.29 (1.03; 1.68) | 2.32 [1.42–3.80] | 0.0008 | 2.07 [1.23–3.49] | 0.006 | |||
| Delayed H/M ratio | |||||||||
| <1.40c | 4 | 11.76 | 12 | 80.00 | 30.00 [5.82–154.63] | <0.0001 | 14.02 [2.31–85.03] | 0.004 | |
| ≥1.40 | 30 | 88.24 | 3 | 20.00 | 1 | 1 | |||
| Early H/M ratioa,b | 1.64 (1.40; 2.29) | 1.35 (1.08; 1.73) | 3.05 [1.49–6.24] | 0.002 | 2.44 [1.19–5.00] | 0.02 | |||
| MIBG washout %a,d | 32.00 (24.00; 50.00) | 38.00 (24.00; 56.00) | 2.02 [0.85–4.79] | 0.11 | 1.21 [0.46–3.19] | 0.70 | |||
aContinuous variables are expressed as median (minimal value; maximal value).
bOR for 0.10-unit decrease.
cLowest tertile of the sample vs the other two.
dOR for 10-unit decrease.
Model 0: crude association.
Model 1: adjustment for age.