Table 2 Comparison between the study and control groups regarding memory and digit span tests
From: Auditory cognitive assessment in post COVID-19 patients: a case control study
Study group (n = 40) | Control group (n = 40) | ZMWU | P-value | ||
|---|---|---|---|---|---|
Recognition memory score | Mean ± SD | 9.57 ± 1.24 | 10.55 ± 0.5 | 4.211 | < 0.001 |
Median | 10.0 | 11.0 | |||
Range | 5.0–11.0 | 10.0–11.0 | |||
Memory for content score | Mean ± SD | 4.77 ± 0.73 | 5.82 ± 0.75 | 5.301 | < 0.001 |
Median | 5.0 | 6.0 | |||
Range | 3.0–6.0 | 4.0–7.0 | |||
Memory for sequence score | Mean ± SD | 4.13 ± 0.72 | 4.85 ± 0.53 | 4.557 | < 0.001 |
Median | 4.0 | 5.0 | |||
Range | 3.0–6.0 | 4.0–6.0 | |||
Digit span score forward | Mean ± SD | 5.48 ± 1.11 | 6.03 ± 0.97 | 2.085 | 0.037 |
Median | 6.0 | 6.0 | |||
Range | 3.0–7.0 | 4.0–8.0 | |||
Digit span score backward | Mean ± SD | 4.03 ± 0.97 | 4.60 ± 0.96 | 2.579 | 0.010 |
Median | 4.0 | 5.0 | |||
Range | 3.0–6.0 | 3.0–8.0 | |||