From:  Bone marrow mast cells and mast cell tryptase in plasma cell disorders

Age distribution in patient and control groups

Age (in years)Sample sizeMedian (IQR)
(in years)
Range
(in years)
Number of males
(%)
Number of females
(%)
Male:female ratio
Patient group3058 (49.3–63.3)41–6519 (63%)11 (37%)1.7:1
    41–508
    51–6013
    61–659
Control group2042 (35.5–60.8)31–6512 (60%)8 (40%)1.5:1
    31–5010
    51–605
    61–655

IQR: interquartile range