Corrigendum

This article refers to:

Neurophysiological and cognitive impairment following repeated sports concussion injuries in retired professional rugby league players

Article title: “Neurophysiological and cognitive impairment following repeated sports concussion injuries in retired professional rugby league players”

Authors: Alan J. Pearce, Billymo Rist, Clare L. Fraser, Adrian Cohen, and Jerome J. Maller

Journal: Brain Injury

Bibliometrics: Volume 32, Issue 4, pages 498–505

DOI: 10.1080/02699052.2018.1430376

In Tables 1 and 2, there are errors in the p-value columns. The author apologizes for the error.

Table 1. Participant characteristics (mean and 95% CI).

	Elite	Control	t statistic	p value
Age (years)	48.4 [45.8, 51.0]	48.8 [45.9, 51.7]	0.69	0.49
Height (cm)	185.0 [182.0, 187.9]	178.1 [176.2, 180.1]	3.9	< 0.01
Weight (kg)	100.7 [95.7, 105.7]	84.5 [80.8, 88.3]	5.2	< 0.01
Handedness (Index)	77.9 [57.6, 98.3]	68.2 [34.65, 91.7]	.75	0.46
Education (Years)	13.9 [10.5, 16.2]	14.8 [11.6, 17.5]	1.17	0.25
Number of concussions	8.5 [4.7,11.3]	n/a	n/a	n/a
Time since last concussion (years)	18.8 [15.9, 21.6]	n/a	n/a	n/a

n/a: not applicable

Table 2. Motor and cognitive assessment (mean, 95% CI)

	Elite	Control	t statistic	p value
O’Connor (s)	263.25 [239.1, 287.4]	225.4 [205.6, 245.1]	2.4	0.02
Visuomotor reaction time (ms)	324.0 [307.4, 340.6]	289.3 [271.1, 307.6]	2.74	< 0.01
Visuomotor movement time (ms)	336.66 [306.2, 367.1]	321.2 [295.5, 346.9]	0.73	0.47
Paired associative learning (8-shape stage errors)	26.4 [18.0, 34.8]	10.5 [6.0, 15.0]	3.12	< 0.01
Paired associative learning (6-shape stage errors)	4.3 [2.6, 6.0]	2.1 [0.9, 3.4]	1.95	0.06
Spatial working memory (errors)	28.3 [19.9, 36.7]	15.0 [8.4, 21.6]	2.35	0.02
Spatial working memory (strategy)	32.4 [29.8, 34.9]	29.33 [26.9, 31.8]	1.63	0.11
Intra-extra dimensional shift (stages)	8.7 [8.5,9.0]	9 [9.0, 9.0]	1.71	0.10
Intra-extra dimensional shift (errors)	23.3 [15.8, 30.7]	10.8 [7.3, 14.3]	2.85	< 0.01

The correct tables are presented here.