Almost everyone thinks that almost everyone with fibromyalgia is a woman, with a traditionally accepted proportion of greater than ninety percent. Imagine my surprise when I learned that this immense gender gap was never supported by good data! Wolfe et al used validated criteria and unbiased selection of patients to get a female proportion of less than 60%. That’s quite the difference! That’s only a minor gender gap, not an immense one. In an ironic twist, this distortion was probably ...
