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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

From: Lack of clinically relevant correlation between subjective and objective cognitive function in ICU survivors: a prospective 12-month follow-up study

 

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

  1. 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