Table 2.
Pain scores (VAS), analgesics, and health-related quality of life measures
| Parameter | Mini-posterior (n = 35) | Two-incision (n = 37) | p Value |
|---|---|---|---|
| During hospital stay | |||
| VAS pain average | 1.8 ± 1.3 | 1.7 ± 1.3 | 0.8205 |
| Epidural infusion (mL) | 117 ± 38 | 113 ± 25 | 0.6284 |
| Morphine equivalent (mL) | 26 ± 17 | 26 ± 17 | 0.9073 |
| Hydrocodone | 0.7864 | ||
| Week 1 | 14.2 ± 15.3 | 15.9 ± 16.7 | |
| Week 3 | 3.2 ± 6.9 | 4.4 ± 8.9 | |
| Week 6 | 1.3 ± 4.4 | 1.4 ± 4.0 | |
| Pain (VAS) | 0.2795 | ||
| Week 1 | 1.7 ± 2.4 | 2.4 ± 1.8 | |
| Week 3 | 0.5 ± 0.5 | 1.5 ± 2.0 | |
| Week 6 | 0.3 ± 0.4 | 0.8 ± 0.3 | |
| SF-12 | |||
| PCS | 0.5914 | ||
| Preoperative | 31 ± 8 | 30 ± 6 | |
| 3-week followup | 36 ± 8 | 33 ± 8 | |
| 6-week followup | 39 ± 9 | 39 ± 9 | |
| 3-month followup | 46 ± 9 | 45 ± 10 | |
| 1-year followup | 48 ± 10 | 47 ± 10 | |
| MCS | 0.1942 | ||
| Preoperative | 58 ± 7 | 54 ± 11 | |
| 3-week followup | 57 ± 7 | 54 ± 11 | |
| 6-week followup | 60 ± 5 | 54 ± 10 | |
| 3-month followup | 57 ± 5 | 57 ± 8 | |
| 1-year followup | 58 ± 6 | 55 ± 8 | |
| Harris hip score | 0.3298 | ||
| Preoperative | 50 ± 12 | 52 ± 10 | |
| 3-week followup | 68 ± 11 | 62 ± 14 | |
| 6-week followup | 77 ± 14 | 75 ± 11 | |
| 3-month followup | 85 ± 11 | 85 ± 11 | |
| 1-year followup | 91 ± 5 | 89 ± 8 | |
The values are given as mean ± standard deviation or count with percent in parentheses; preoperative values were added in as covariates to compensate for preoperative differences; PCS = physical component score; MCS = mental component score.