Table III.
Overall crude, age-standardized, and age- and sex-standardized IRs per 1000 person-years and their 95% CIs for hip symptoms and three hip OA outcomes
| Hip symptoms | OA outcomes
|
|||||||
|---|---|---|---|---|---|---|---|---|
|
|
Radiographic
|
Symptomatic
|
Severe radiographic
|
|||||
| IR | (95% CI) | IR | (95% CI) | IR | (95% CI) | IR | (95% CI) | |
| Crude | 37 | (33, 41) | 20 | (18, 23) | 13 | (12, 16) | 2.9 | (2.3, 3.7) |
| Age-standardized* | 39 | (34, 44) | 24 | (20, 30) | 17 | (14, 20) | 3.2 | (2.5, 4.1) |
| Age- and sex-standardized* | 38 | (34, 43) | 24 | (20, 30) | 17 | (14, 19) | 3.2 | (2.5, 4.1) |
*
Standardized to the 2000 projected US population.