Figure 3.

Kaplan-Meier curves for the time of steroid free to the start of treatment steroid within 6 months. *p-value was calculated using Wilcoxon test (p = 0.0427, 2009 vs 2013).

Kaplan-Meier curves for the time of steroid free to the start of treatment steroid within 6 months. *p-value was calculated using Wilcoxon test (p = 0.0427, 2009 vs 2013).