Fig. 3
From: Seasonal variations in fatigue in persons with rheumatoid arthritis: a longitudinal study
Monthly variations in fatigue rated by the VAS and BRAF-MDQ total and sub-scales of fatigue. Statistical analysis was performed with mixed models including sex and age. Number of observations (n): Dec n = 26, Jan n = 57, Feb n = 37, Mar n = 32, Apr n = 40, May n = 46, Jun n = 25, Jul n = 48, Aug n = 33, Sep n = 32, Oct n = 9*, Nov n = 41. *Due to the low number of observations in October, the estimate for this month was omitted from the graphs