TABLE 1.
Characteristics of the Incidence of Lateral Elbow Tendinosis (Epicondylitis) in Patientsa
| Characteristic | Entire Study Cohort (N = 5867) | 10% Random Sample (n = 576) |
|---|---|---|
| Patient sex, No. (%) male | 2769 (47) | 270 (47) |
| Age at incidence, y | ||
| Mean ± SD | 47 ± 11 | 46 ± 11 |
| Median (IQR) | 47 (40–53) | 45 (39–53) |
| Males | ||
| Mean ± SD | 47 ± 12 | 47 ± 11 |
| Median (IQR) | 47 (40–53) | 45 (39–54) |
| Females | ||
| Mean ± SD | 47 ± 11 | 46 ± 10 |
| Median (IQR) | 47 (41–52) | 46 (40–51) |
| Occupation, No.b | ||
| Office and administrative support | 95 | |
| Health care practitioner | 77 | |
| Construction, maintenance, repair, cleaning, etc | 73 | |
| Business and financial | 16 | |
| Education | 21 | |
| Computer related | 18 | |
| Food preparation | 11 | |
| Other (mostly personal care services, engineering, transportation) | 149 | |
| Missing | 116 | |
| Affected elbow, No. (%) | ||
| Right | 362 (63) | |
| Left | 147 (25) | |
| Both | 67 (12) | |
| Work restrictions, No. (%) | ||
| Reported work restrictions | 91 (16) | |
| Reported missed work | 24 (4) | |
| Specialist referral | 136 (24) | |
a
The study cohort consisted of patients in Olmsted County, Minnesota, 2000–2012. IQR, interquartile range.
b
Occupation was classified according to categories from the Bureau of Labor Statistics, 2010 Standard Occupational Classification (http://www.bls.gov/soc/).