Cross-Sectional Analysis Investigating the Concordance of Maturity Status Classifications in Elite Caucasian Youth Tennis Players

Sports Medicine - Open

Table 2 Cross-tabulations of players by maturity status classifications based on SA and the two predicted estimates¹

		Males				Females
		Skeletal age				Skeletal age
		Late	On time	Early	Total	Late	On time	Early	Total
Percentage of predicted adult height	Late	0	1	0	1	0	2	0	2
	On time	4	25	6	35	2	19	7	28
	Early	0	1	3	4	0	0	1	1
	Total	4	27	9	40	2	21	8	31
Predicted age at PHV	Late	0	0	2	2	0	2	0	2
	On time	4	27	7	38	2	19	8	29
	Early	0	0	0	0	0	0	0	0
	Total	4	27	9	40	2	21	8	31

¹Criteria for defining maturity status with each indicator are indicated in the text