Applicability and clinical utility of the German rivermead post-concussion symptoms questionnaire in proxies of children after traumatic brain injury: an instrument validation study

Table 2 Descriptive statistics of the total and scales scores of the proxy-rated psychopathological instruments

	Scale	n	M	SD	Mdn	W
RPQ proxy	Cognitive	146	1.54	2.80	0	0.62
	Somatic	146	2.75	4.59	0	0.65
	Emotional	146	2.25	3.43	0	0.70
	Total score	146	6.54	9.41	2	0.73
PCSI-P	Cognitive	124	2.81	4.41	1	0.68
	Physical	124	3.35	5.27	1	0.68
	Emotional	124	3.15	3.92	2	0.79
	Fatigue	123	1.17	2.76	0	0.50
	Total score	123	10.54	14.55	5	0.73
PHQ-9 proxy	Total score	146	3.93	3.36	3	0.89
GAD-7 proxy	Total score	146	3.56	3.08	3	0.90

n = number of observations, M = mean, SD = standard deviation, Mdn = median, W = Shapiro–Wilk normality test statistic, RPQ = Rivermead Post‑Concussion Symptoms Questionnaire, PCSI-P = Post‑Concussion Symptom Inventory Proxy Version, GAD‑7 = Generalized Anxiety Disorder Scale 7, PHQ‑9 = Patient Health Questionnaire 9. Values in bold indicate significant deviation from normality (p < 0.001).

ISSN: 1471-2377