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Table 4 Age distributions by study type and histopathology

From: The prevalence of occult leiomyosarcoma at surgery for presumed uterine fibroids: a meta-analysis

Dataset Study number Premenopausal only Study mean ages Age range
Randomized trials 26 10 35.8–53.4 20–70
Prospective 38 4 28.9–67.4 20–83
Retrospective 70 0 32.6–59.6 19–91
Studies with leiomyosarcomas 14 0 32.6–48.0 21–81
Leiomyosarcoma patients   30–63 17 ≤ 50 6 > 509 unknown