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Descriptive statistics and Pearson correlation between the ISI questionnaire with PSQI, ESS, and GHQ28 in insomniac patients
| Categories | r (P value) | |||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
| Insomnia Severity Index | ||||
| Pittsburg Sleep Quality Index | 0.58 (0.046) | |||
| Epworth sleepiness scale | 0.42 (0.041) | 0.37 (0.001) | ||
| GHQ 28 | 0.67 (0.043) | 0.69 (0.023) | 0.41 (0.009) | |
| Mean (SD) | 12.1 (6.7) | 8.6 (2.1) | 8.4 (1.8) | 5.2 (0.9) |
