| Authors/Year | Population (Country) | N | Prevalence and Incidence Estimates |
|---|---|---|---|
| Lea and Aber, 198555 | Hospital inpatients (US) | 174 | Prevalence: medicine: 33% |
| Surgery: 33% | |||
| Obstetrics: 60% | |||
| Gynecology: 27% | |||
| Reynolds, 198957 | Consecutive patients seen in a gastroenterology practice* | 200 | Prevalence: 41% |
| Quigley and Baines, 199756 | Hospice inpatients patients, consecutive admissions (UK) | 100 | Prevalence: 16% overall |
| 12% soaked bed clothes | |||
| Mold et al, 200237 | Primary care patients, consecutive visits (US) | 2267 | Prevalence: all: 41% |
| Nighttime only: 23% | |||
| 4–7 nights per week: 16% | |||
| Mold et al, 200440 | Primary care patients >65 years of age, recruited from billing records (US) | 795 | Prevalence: 10% |
| Mold et al, 200639 | Primary care patients, consecutive visits (US) | 363 | Prevalence: 34% |
| 17% soaked bed clothes | |||
| Mold et al, 200838 | Consecutive patients undergoing polysomnography (US) | 282 | Prevalence: 28% |
| Mold and Lawler, 201046 | Consecutive patients >65 years of age enrolled in a primary care geriatric continuity clinic (US)* | 682 | Prevalence: 14% past year |
| Mold and Lawler, 201046 | Primary care patients >65 years of age, recruited from billing records (US) | 795 | Incidence (annual): 5% |
| Suwanprathes et al, 201058 | Random population sample, (Bangkok, Thailand)* | 4680 | Prevalence: 4.4% |
↵* Night sweats definition not provided in report.