Table 5.

Objectively measured cognitive performance outcome measures from CANTAB against self-rating scores for anxiety and depression (HADS) and PTSD (PTSS-10) using Spearman’s rank correlation

	PRM—% correct		RVP A’		SOC—problems with min moves		SSP—span length
	r	p	r	p	r	p	r	p
HADS—anxiety
At 3 months	− 0.319	0.015	− 0.041	0.765	0.056	0.682	0.172	0.202
At 6 months	− 0.054	0.708	0.102	0.494	− 0.059	0.687	0.199	0.161
At 12 months	− 0.161	0.315	0.064	0.707	0.037	0.817	− 0.191	0.231
HADS—depression
At 3 months	− 0.348	0.008	− 0.070	0.610	0.029	0.835	0.085	0.529
At 6 months	− 0.145	0.310	− 0.088	0.557	− 0.024	0.868	0.028	0.843
At 12 months	− 0.210	0.188	− 0.113	0.507	0.037	0.819	− 0.281	0.075
PTSS-10
At 3 months	− 0.329	0.013	− 0.070	0.609	0.107	0.434	0.136	0.312
At 6 months	− 0.170	0.234	− 0.028	0.852	0.043	0.770	0.102	0.476
At 12 months	− 0.129	0.423	0.044	0.795	0.154	0.336	− 0.113	0.481

PRM pattern recognition memory—% correct, RVP rapid visual information processing—RVP A’, SOC Stockings of Cambridge—problems solved with minimum moves, SSP spatial span—span length, HADS Hospital Anxiety and Depression Scale, PTSS-10 Post-Traumatic Stress Symptoms Scale-10