Table 4 Cognitive comparisons of the sample with Brazilian normative data.

From: Memory complaints after COVID-19: a potential indicator of primary cognitive impairment or a correlate of psychiatric symptoms?

  

No SMC group

SMC group

Comparisons with normative values for TMT-A

N (total)

358

219

n (%)

Within normative values

132 (36.9%)

56 (25.6%)

 

Outside normative values

226 (63.1%)

163 (74.4%)

  

χ2 = 7.9, p = 0.005*a

Comparisons with normative values for VFT

N (total)

374

230

n (%)

Within normative values

251 (67.1%)

132 (57.4%)

 

Outside normative values

123 (32.9%)

98 (42.6%)

  

χ2 = 5.801, p = 0.016*a

  1. SMC subjective memory complaint; TMT-A Trail Making Test A, VFT Verbal Fluency Test.
  2. *Statistically significant difference (p < 0.05).
  3. aPearson’s Chi-square test.