Table 4 Distribution of LV cavity size in different age groups of male and female tennis players.

Age (years)	No of players	Male	Female	LVIDd (male)	LVIDd (female)
13	53	28	25	45.4 (3.6)	45.3 (3.3)
				(41.4–52.7)	(39–51)
14	66	36	30	48.8 (3.5)	47.9 (2.4)
				(40–59)	(43.8–54)
15	66	34	32	50 (4.1)	47.7 (3.8)
				(40.5–56.7)	(32–55)
16	42	33	9	51.08 (3.2)	48.6 (4.7)
				(44–59)	(45–58)
17	19	13	6	53.1 (2.5)	49.2 (2)
				(49–59)	(45–51)
18	11	9	2	53 (2.2)	50 (2.8)
				(49–55)	(48–52)
19	2	1	1	–	–