Table 4 Serum periostin levels at time points in short bone fracture group, and ratio of geometric means compared with week 26 reference level
Visit | N | Periostin mean (SD)a | Change from reference Mean (SD)a | Ratio of geometric means (95% CI) | P |
|---|---|---|---|---|---|
Within 48 h | 34 | 46.1 (10.0) | − 5.7 (14.8) | 0.90 (0.85–0.95) | < 0.001 |
 Week 1 | 32 | 47.8 (9.6) | − 3.5 (11.2) | 0.93 (0.88–0.99) | 0.021 |
 Week 2 | 29 | 49.9 (12.1) | − 2.4 (7.8) | 0.97 (0.93–1.03) | 0.37 |
 Week 4 | 28 | 51.5 (14.2) | 0.5 (7.3) | 1.00 (0.95–1.06) | 0.87 |
 Week 8 | 27 | 50.6 (15.7) | − 1.0 (6.9) | 0.97 (0.92–1.02) | 0.24 |
 Week 12 | 27 | 51.6 (12.1) | − 0.3 (6.9) | 1.00 (0.94–1.05) | 0.99 |
 Week 26 (reference) | 24 | 53.0 (14.8) | – | – | – |