After diagnosis of MG, 95.7% (44/46) of patients were taking a choline esterase inhibitor (pyridostigmine) at a mean dosage of 218.18 ± 82.95 mg/day (215.29 ± 72.54 mg/day in the OMG subgroup and 228.00 ± 115.93 mg/day in the GMG subgroup). Here, BCHE is linked to myasthenia gravis.