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Mean, standard deviation and independent group comparison between the pre- and post-Covid groups.
| Variables | Pre-Covid | Post-Covid | Differences between groups | ||
|---|---|---|---|---|---|
| M (SD) | Range | M (SD) | Range | U Mann Whitney or χ2 | |
| Total expressive vocabulary | 155.5 (182.7) | 0–571 | 140.4 (174.1) | 0–653 | U = 796, p = 0.680 |
| Percentile expressive vocabulary | 51.8 (29.3) | 5–99 | 43.8 (27.3) | 5–95 | U = 712.5, p = 0.234 |
