The age and sex of the patients

Age	Males	Females	Total
Ten or less	68	30	98
Ten to fifteen	112	87	199
Fifteen to twenty	144	83	227
Twenty to twenty-five	94	53	147
Twenty-five to thirty	68	41	109
More than thirty	132	88	220
	618	382	1000

Foot affected: right, 133; left, 138; both, 729.