Table 2 Frequency of clinical features
N (%) | Total MM Patients (N = 64) | CPEO/KSS (N = 33) | MELAS/-like (N = 11) | MERRF (N = 3) | Other MM (N = 17) |
|---|---|---|---|---|---|
Chest pain symptoms | 12 (19) | 5 (15) | 1 (10) | 1 (33) | 5 (29) |
Exercise dyspnea | 30 (47) | 17 (52) | 2 (18) | 3 (100) | 8 (47) |
Any cardiac symptom | 31 (48) | 17 (52) | 2 (18) | 3 (100) | 9 (53) |
Skeletal myopathy | 44 (69) | 23 (70) | 9 (82) | 2 (67) | 10 (59) |
Encephalopathy | 5 (8) | 0 (0) | 4 (36) | 0 (0) | 1 (6) |
Seizures | 5 (8) | 0 (0) | 3 (27) | 1 (33) | 1 (6) |
Stroke-like episodes | 5 (8) | 0 (0) | 4 (36) | 0 (0) | 1 (6) |
Cognitive dysfunction | 5 (8) | 1 (3) | 3 (27) | 0 (0) | 1 (6) |
Hearing loss | 10 (16) | 5 (15) | 4 (36) | 0 (0) | 1 (6) |
Neuropathy | 11 (16) | 3 (9) | 1 (9) | 1 (33) | 6 (35) |
Sleeping apnea | 3 (5) | 1 (3) | 0 (0) | 1 (33) | 1 (6) |
Ptosis | 32 (50) | 25 (76) | 1 (9) | 2 (67) | 4 (24) |
Ophtalmoplegia | 25 (39) | 20 (61) | 1 (9) | 1 (33) | 3 (18) |
Retinopathy | 6 (9) | 3 (9) | 2 (18) | 0 (0) | 1 (6) |