Table 3.
Pooled demographics and select treatment parameters
| Variables | Cemented | Uncemented | Number of studies | p Value | |
|---|---|---|---|---|---|
| Fixed* | Random* | ||||
| Number of hips | 1632 | 981 | 11 | ||
| Number of patients | 1568 | 930 | 10 | ||
| Average age (years) | 78.9 | 77.5 | 7 | NS | NS |
| Percent male | 38.5 | 45.2 | 5 | NS | NS |
| Length of stay (days) | 19.37 | 19.07 | 3 | NS | NS |
| Operative time (minutes) | 96 | 80 | 5 | < 0.001 | < 0.002 |
| Blood loss (mL) | 467 | 338 | 4 | < 0.005 | 0.071 |
* Cohorts compared using a FE model (Mantel-Haenszel) and a RE model (DerSimonian and Laird); NS = not significant.