Table 4. Distribution of the positive family history in first-degree relatives of myomas and nulliparous of 144 myoma cases and 288 controls according to age.

	Positive family history of myomas		Nulliparous
	Cases n (%)	Controls n (%)	Cases n (%)	Controls n (%)
Age (years)
< 45	11 (21.2)	24 (19.5)	18 (34.6)**	12 (9.8)
≧ 45	29 (31.5)*	25 (15.2)	16 (17.4)*	11 (6.7)

* p < 0.01 compared with controls by using Chi-squared test.

** p < 0.001 compared with controls by using Chi-squared test.