Table 5.
Demographic factors
| Risk factors(demographic factors) | Studies reporting on a risk factor for THA or TKA:total number,number reporting a significant (p ≤ .05)increased(+)or decreased (−) risk,and number with no significant association (p > .05) | |||||||
|---|---|---|---|---|---|---|---|---|
| THA | TKA | |||||||
| N | p ≤ .05 | p > .05 | N | p ≤ .05 | p > .05 | |||
| + | - | + | - | |||||
| Older age | 8 | 6 | 0 | 2 | 9 | 3 | 0 | 6 |
| Female sex | 9 | 2 | 1 | 6 | 9 | 2 | 0 | 7 |
| Higher BMI* | 3 | 1 | 0 | 2 | 6 | 1 | 0 | 5 |
| Black race (vs. white) | - | - | - | - | 1 | 1 | 0 | 0 |
| Hispanic race (vs. white) | - | - | - | - | 1 | 0 | 0 | 1 |
| Higher ASA score† | 3 | 0 | 0 | 3 | 2 | 0 | 0 | 2 |
*BMI = Body Mass Index.
†The ASA (American Society of Anesthesiologists) score refers to the classification of the physical status of a patient before surgery.