Treatment arm | Baseline | 36 Months | Change, whole spine | Change, L spine | |
---|---|---|---|---|---|
Osteophytes, mean score (SD) | Placebo | 19.2 (8.0) | 20.0 (8.1) | 0.8 (1.3) | 0.3 (0.7) |
ZA | 20.0 (8.8) | 20.9 (9.0) | 1.0 (1.6) | 0.3 (0.8) | |
p value | 0.1 | 0.4 | |||
Disc space narrowing, mean score (SD) | Placebo | 3.6 (4.2) | 3.9 (4.4) | 0.3 (0.7) | 0.3 (0.8) |
ZA | 3.8 (4.6) | 4.1 (4.8) | 0.3 (0.8) | 0.3 (1.) | |
p value | 0.7 | 0.7 |