Table 1.

Patient demographics.

Surgery	Number of patients	Gender	Average age/years	Average follow up/months	Hattrup and Johnson Grade
Cartiva	30	7 Male 23 Female	57 (min 39, max 80)	18 (min 12, max 30)	HJ 1 = 0 HJ 2 = 9 HJ 3 = 21
Arthrodesis	42	15 Male 27 Female	64 (min 41, max 77)	19 (min 14, max 36)	HJ 1 = 3 HJ 2 = 17 HJ 3 = 22