Table 1.

Frequency of symptoms and signs in the 87 patients studied.

Symptoms	Number of Cases	Frequency (%)
General fatigue	73	83.9
Severe headache	72	82.8
Widespread pain	71	81.6
Dysautonomic symptoms	71	81.6
Motor dysfunction	56	64.4
Abnormal sensation	52	59.8
Learning impairment	52	59.8
Sleep disturbance	44	50.6
Menstrual abnormality	44	50.6
Limb shaking	41	47.1