Fig. 2
From: Newborn screening for spinal muscular atrophy in Germany: clinical results after 2 years
x-axis: age in months (either at the time of the time reaching the respective milestone or at age of last presentation). y-axis: probability of NOT reaching the milestone. log-rank test: test for equality of the three different curves. The P-value (Log-Rank-Test) < 0.05 indicates that the three curves differ significantly from each other. Solid lines: Result curves. Dashed lines in corresponding colors: confidence interval