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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