Figure 1.
Kaplan-Meier survival curves for each of the four treatment regimes: conservative treatment (T1), decompression (T2), decompression + instrumentation (T3) and decompression + instrumentation + reconstruction (T4).
Kaplan-Meier survival curves for each of the four treatment regimes: conservative treatment (T1), decompression (T2), decompression + instrumentation (T3) and decompression + instrumentation + reconstruction (T4).