PMCH and myalgic encephalomeyelitis/chronic fatigue syndrome: Table 5 and Table 6 show the medians and 25–75th IQR for the ME/CFS predictors correctly detected by RFA (namely, MCH, lymphocyte count, serum urea, ALP, 24-h urinary creatinine excretion rate and activin B), using criteria 1 (Table 5) and 2 (Table 6).