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Table 4 Mini-mental state evaluation results of the studied patients based on the severity of illness and site of care

From: Cognitive impact on patients with COVID-19 infection

Groups

ICU group (n=20)

Ward group (n=20)

Home isolation (n=20)

P1

P2

P3

P4

MMSE

 Mean ± SD

21.65 ± 3.52

24.05± 3.72

24.40±3.4

0.01*

0.001*

0.769

0.043

Normal

0.006*

 MMSE ≥ 24

7 (35%)

11 (55%)

14 (70%)

Mild impairment

 MMSE 19-23

8 (40%)

8 (40%)

4 (20%)

Moderate to severe

 MMSE≤ 18

5 (25%)

1 (5%)

2 (10%)

  1. Continuous data were expressed in the form of the mean (± SD) and compared by the Mann-Whitney test and Kruskal-Wallis test for groups of more than two, while nominal data were expressed in the form of frequency (percentage) and compared by χ2 tests. The P value is significant if < 0.05
  2. P1 P value between ICU and ward groups, P2 P value between ICU and home isolation group, P3 P value between ward and home isolation groups, P4 P value between the three groups, MMSE mini-mental state examination. * indicates a highly significant p-value