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PSQI: Pittsburgh Sleep Quality Index
| PSQI score | Pre-COVID-19 (n=445) | 30 days Post-COVID-19 (n=445) | p-value |
| Mean score | 3.22 ± 0.80 | 6.28 ± 2.11 | <0.0001 |
| Participants with ≥5 score | 54 (12.1%) | 201 (45.1%) | <0.0001 |
