EVIDENCE: {'Observed_samples': {'Present_SOLO_SR': 259, 'Present_SOLO_R': 168, 'Present_SOLO_S': 91}, 'Additional grading criteria applied': None, 'FINAL CONFIDENCE GRADING': '1) Assoc w R', 'INITIAL CONFIDENCE GRADING': '1) Assoc w R', 'WHO HGVS': 'rpoB_p.Leu452Pro'}