Table 5 Change in serum periostin over time: differences between the three groups
Visit | Difference in logarithm periostin (95% CI) | Ratio of geometric mean periostin (95% CI) | P |
|---|---|---|---|
Joint replacement minus long bone fracture | Â | Â | Â |
 Within 48 h | − 0.01 (− 0.14 to 0.12) | 0.99 (0.87–1.13) | 0.90 |
  Week 1 | 0.18 (0.05–0.31) | 1.20 (1.05–1.37) | 0.007 |
  Week 2 | 0.37 (0.24–0.51) | 1.45 (1.27–1.66) | < 0.001 |
  Week 4 | 0.47 (0.34–0.60) | 1.59 (1.40–1.82) | < 0.001 |
  Week 8 | 0.45 (0.32–0.58) | 1.57 (1.37–1.79) | < 0.001 |
  Week 12 | 0.36 (0.23–0.49) | 1.43 (1.25–1.63) | < 0.001 |
  Week 26 | 0.19 (0.06–0.33) | 1.22 (1.06–1.39) | 0.004 |
Long bone fracture minus short bone fracture | |||
 Within 48 h | − 0.09 (− 0.22 to 0.04) | 0.92 (0.80–1.04) | 0.18 |
  Week 1 | − 0.05 (− 0.18 to 0.08) | 0.95 (0.84–1.08) | 0.45 |
  Week 2 | 0.06 (− 0.07 to 0.19) | 1.06 (0.93–1.21) | 0.35 |
  Week 4 | 0.19 (0.06–0.32) | 1.21 (1.06–1.38) | 0.005 |
  Week 8 | 0.28 (0.14–0.41) | 1.32 (1.15–1.50) | < 0.001 |
  Week 12 | 0.21 (0.07–0.34) | 1.23 (1.08–1.40) | 0.002 |
  Week 26 | 0.11 (− 0.03 to 0.24) | 1.11 (0.97–1.27) | 0.11 |