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Number of pain days for the previous month. Dark gray bars are Biofeedback-treated patients, light gray bars are EGS-treated patients, and white bars are patients treated with digital massage and sitz baths. Vertical lines show 95% confidence intervals. Patients with a highly likely diagnosis of LAS are shown separately from patients with only a possible diagnosis. *Significantly different from the Biofeedback group at p<0.025; #significantly different from the EGS group at p<0.025.
