Table I.
Prevalence of sleep disorders (SDs) among psoriatic patients
| Study | Year | Total number of patients | Prevalence of SDs (%) | Method for evaluating SDs |
|---|---|---|---|---|
| Shutty et al. (26) | 2013 | 35 | 77.1 | PSQI |
| Melikoglu (33) | 2017 | 58 | 60.3 | PSQI |
| Henry et al. (34) | 2017 | 186 | 76.8 | PSQI |
| Wong et al. (35) | 2017 | 62 | 69.3 | PSQI |
| Jensen et al. (36) | 2018 | 179 | 53.6 | PSQI |
| Delfino et al. (37) | 2008 | 40 | 55 | Interview |
| Stiens et al. (38) | 2009 | 135 | 34 | Interview |
| Duffin et al. (31) | 2009 | 420 | 49.5 | Interview |
| Hu et al. (39) | 2010 | 100 | 60 | Interview |
| Tsa et al. i (40) | 2011 | 51,800 | 0.05 | Interview |
| Nyunt et al. (41) | 2013 | 223 | 40.9 | Interview |
| Sanchez-Carazo et al. (42) | 2014 | 1,022 | 12.2 | Interview |
| Chiu et al. (43) | 2016 | 99,628 | 2.2 | Interview |
| Duvetorp et al. (44) | 2019 | 911 | 16.3 | Interview |
| Ljosaa et al. (27) | 2012 | 139 | 62.6 | GSDS |
| Sharma et al. (45) | 2001 | 30 | 56.7 | GHQ-H |
PSQI: Pittsburgh Sleep Quality Index; GSDS: General Sleep Disturbance Scale; GHQ-H: General Health Questionnaire.