Table 3. Number of MG patients with thymoma in 2011.

Age (years)	After diagnosis of MG	Before diagnosis of MG	Total
≤19	2 (2.3%)	0 (0.0%)	2 (1.6%)
20–39	21 (23.9%)	9 (26.5%)	30 (24.4%)
40–59	41 (45.5%)	15 (44.1%)	56 (45.5%)
60–69	18 (20.5%)	9 (26.5%)	27 (22.0%)
70–79	7 (8.0%)	1 (2.9%)	8 (6.5%)
≥80	0 (0.0%)	0 (0.0%)	0 (0.0%)
Total	89 (100.0%)	34 (100.0%)	123 (100%)

MG: myasthenia gravis.