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

Table 3.

Differences in the spindle parameters in stages 2, 3, and 4 among the ASD and CS groups

		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
Density (number/h)	ASD	206.2 ± 133.0	0.68	0.09	158.0 ± 91.7	0.24	0.27	69.1 ± 71.7	0.52	0.34
Density (number/h)	CS	216.9 ± 98.2	0.68	0.06	135.0 ± 81.0	0.24	0.11	49.2 ± 40.6	0.52	0.15
Duration (ms)	ASD	1315.1 ± 269.4	0.62	0.08	1204.9 ± 232.1	0.85	0.27	910.2 ± 312.4	0.30	0.41
Duration (ms)	CS	1296.5 ± 186.1	0.62	0.06	1145.3 ± 209.6	0.85	0.11	1008.9 ± 142.8	0.30	0.19
Mean amplitudes (V)	ASD	11.0 ± 1.7	0.22	0.51	10.3 ± 2.0	0.91	0.06	8.9 ± 3.2	0.29	0.40
Mean amplitudes (V)	CS	10.2 ± 1.4	0.22	0.28	10.2 ± 1.6	0.91	0.05	9.9 ± 1.6	0.29	0.17

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.