Table 2.

Sleep bruxism parameters: comparison between the BEI ≤ 4/h and >4/h groups.

	Mean ± SD
BEI	≤4/h	>4/h	p Value
	(n = 49)	(n = 34)
BEI (n/h)	2.15 ± 1.06	7.64 ± 3.10	p < 0.001 *
	(1.85–2.45)	(6.55–8.72)
BBI (n/h)	2.67 ± 1.70	8.70 ± 6.08	p < 0.001 *
	(2.19–3.16)	(6.57–10.82)
Apnea to Bruxism	0.27 ± 0.38	1.72 ± 2.40	p < 0.001 *
	(0.16–0.38)	(0.89–2.56)
Arousal to Bruxism	0.89 ± 0.80	3.83 ± 2.06	p < 0.001 *
	(0.66–1.12)	(3.11–4.55)
Phasic bruxism episode index (n/h)	0.52 ± 0.54	2.99 ± 2.46	p < 0.001 *
	(0.37–0.67)	(2.13–3.85)
Tonic bruxism episode index (n/h)	1.15 ± 0.64	2.97 ± 1.73	p < 0.001 *
	(0.97–1.33)	(2.37–3.57)
Mixed bruxism episode index (n/h)	0.52 ± 0.43	1.76 ± 1.06	p < 0.001 *
	(0.40–0.65)	(1.39–2.13)

BEI—Bruxism episode index; BBI—bruxism burst index; * p statistically significant; Data format: mean ± standard deviation (95% confidence interval).