TABLE 4.

Nighttime and daytime sleep measures upon diagnosis evaluation (without treatment) in adults and children with narcolepsy‐cataplexy

	Children	n	Adults	n	P
TST, min	467 [270‐640]	45	437 [257‐534]	46	.03
Sleep efficiency, %	83.8 [52.5‐95.2]	45	86 [57‐97]	45	.55
Wake after sleep onset, min	91 [18‐260]	45	47 [2‐209]	45	.02
Latency to
Sleep onset, min	4 [0‐78]	45	4.5 [0‐228]	46	.63
REM sleep onset, min	19.8 [0‐394]	45	23.4 [0‐367]	46	.68
Stage N1, %	14.3 [0.1‐35.8]	45	8.1 [0.9‐24]	46	.03
Stage N2, %	43.3 [16.1‐56.2]	45	46 [30.3‐45.5]	46	.01
Stage N3, %	22.1 [9.9‐48.7]	45	20 [5.6‐52.9]	46	.09
Stage REM, %	22.5[4‐32.6]	45	20.7 [6.3‐38.6]	46	0.78
OAHI, n/h	0.60 [0‐22.4]	45	2.3 [0‐45.1]	45	.007
OAHI ≥ 5/, n/h TST	3 (7)	45	14 (31)	45	.006
Mean oxygen saturation, %	97 [94.2‐99.3]	45	96 [92‐100]	39	.01
Minimal oxygen saturation, %	93.8 [69.3‐98]	42	91 [81‐95]	42	<.0001
Multiple sleep latency tests, n (%)	46 (100)	46	46 (100)	46	1.00
N 5 tests, n (%)	15 (33)	46	46 (100)	46	<.0001
Mean sleep latency, min	3.2 [0.5‐10.2]	46	3.9 [0.6‐12.6]	46	.05
Sleep onset REM periods, n	4 [1‐5]	46	4 [2‐5]	46	.57
SOREM/N tests (%)	100 [25‐100]	46	80 [40‐100]	46	.002

Data are expressed as median [range] or number (frequency). The significance level was chosen at 5%.

Abbreviations: OAHI, Obstructive Apnea‐hypopnea index; REM, rapid eye movement sleep; Stage N3, NREM3 (Slow‐Wave Sleep); TST, Total Sleep Time.