In Regard to the Gender Ratio of Neurasthenia,a 19ᵗʰ Century

In regard to the gender ratio of neurasthenia,a 19ᵗʰ century ailment,and chronic fatigue syndrome,a 20ᵗʰ century condition,it is accurate to state that

A) both conditions are/were diagnosed more frequently in women.
B) both conditions are/were diagnosed more frequently in men.
C) the conditions are/were diagnosed with equal frequency in men and women.
D) more females were diagnosed with neurasthenia, but more men are diagnosed with chronic fatigue syndrome.