Table 1.
Patient demographic data
| Variable | Navigation group | Nonnavigation group | p value |
|---|---|---|---|
| Age (years)* | 53 (37–74) | 53 (27–72) | 0.89† |
| Sex (number of hips) | 0.51‡ | ||
| Male | 7 | 20 | |
| Female | 53 | 100 | |
| Diagnosis (number of hips) | |||
| Osteoarthritis | 55 | 98 | |
| Osteonecrosis | 4 | 17 | 0.18§ |
| Rheumatoid arthritis | 1 | 5 | |
| BMI (kg/m2)* | 23 (19–23) | 23 (16–36) | 0.70 (−1.128 to 0.894)|| |
* Values are expressed as mean, with range in parentheses; †Mann-Whitney test; ‡Fisher’s exact test; §chi-square test; ||unpaired t-test, with 95% CI in parentheses.