. 2022 Oct 20;3(1):zpac037. doi: 10.1093/sleepadvances/zpac037

Table 2.

Differences of spindle density in stages 2, 3, and 4 among the ASD and CS groups divided in thirds of the night

Density (number/hour)		Stage 2			Stage 3			Stage 4
		Mean ± SD	P	ES d	Mean ± SD	P	ES d	Mean ± SD	P	ES d
		Mean ± SD	P	1−β	Mean ± SD	P	1−β	Mean ± SD	P	1−β
First third	ASD	214.9 ± 126.8	0.91	0.04	118.3 ± 77.9	0.43	0.29	63.7 ± 60.8	0.64	0.34
First third	CS	219.1 ± 107.1	0.91	0.05	142.9 ± 90.8	0.43	0.11	46.8 ± 37.8	0.64	0.13
Second third	ASD	208.2 ± 133.0	0.87	0.10	144.7 ± 118.2	0.38	0.34	67.2 ± 78.0	0.87	0.03
Second third	CS	220.1 ± 103.2	0.87	0.06	109.2 ± 88.5	0.38	0.13	64.8 ± 63.6	0.87	0.05
Last third	ASD	199.7 ± 138.1	0.54	0.12	226.7 ± 171.2	0.14	0.66	100.1 ± 131.8	0.84	0.38
Last third	CS	213.5 ± 98.2	0.54	0.06	136.8 ± 87.1	0.14	0.38	61.4 ± 62.2	0.84	0.15

Data are presented as means ± SD. SD, standard deviation; ASD, autism spectrum disorder; CS, community samples; P, p-value; ES d, effect size d; 1−β, power.