TABLE 3.

Prevalence of Concussion Subtypes and Sleep Disturbance in Concussion Patients

Concussion subtype/		Study N	Proportion
associated condition	Population	(Sample N)	(95% CI)
Cognitive	Pediatric	10 (654)	0.32 (0.21, 0.43)a
	Adult	16 (1233)	0.40 (0.25, 0.55)
Ocular-motor	Pediatric	8 (600)	0.34 (0.27, 0.41)
	Adult	6 (438)	0.34 (0.18, 0.53)
Headache/migraine	Pediatric	15 (1320)	0.52 (0.37, 0.67)
	Adult	16 (1107)	0.38 (0.26, 0.52)
Vestibular	Pediatric	21 (1705)	0.50 (0.40, 0.60)b
	Adult	26 (1853)	0.25 (0.18, 0.33)c
Anxiety/mood	Pediatric	15 (989)	0.30 (0.21, 0.39)
	Adult	15 (975)	0.23 (0.15, 0.33)
Sleep disturbance	Pediatric	4 (156)	0.33 (0.19, 0.49)
	Adult	7 (600)	0.34 (0.18, 0.51)

CI = confidence interval.

^aPublication bias suspected by Egger's test (P = .001); adjusted proportion (95% CI) = 0.33 (0.20, 0.46).

^bPublication bias suspected by Egger's test (P = .013); adjusted proportion (95% CI) = 0.49 (0.39, 0.59).

^cPublication bias suspected by Egger's test (P = .028); adjusted proportion (95% CI) = 0.29 (0.22, 0.37).