. Author manuscript; available in PMC: 2015 Oct 1.

Published in final edited form as: Knee Surg Sports Traumatol Arthrosc. 2013 Feb 8;22(10):2545–2550. doi: 10.1007/s00167-013-2445-8

Table 3.

Radiographic Results

Author	Year	Length of Follow-up (Years)	Patellar Height Measurement Method	Pre-op	Post-op	Percent with PF OA
Mayer	2012	9.6 (6–14)	Caton-Deschamps Index	1.22 ± 0.17	0.95 ± 0.22	0/27 (0%)
Marteau	2011	7.5 (2–17)	Caton-Deschamps Index	1.3 (1.2–1.5)	1.03 (0.81–1.17)	2/14 (14.3%)
Pritsch	2007	6.2 (2–13)	Insall-Salvati Ratio	1.26	1.01	NR
Simmons	1992	4.5 (3–7)	Insall-Salvati Ratio	1.58 (1.2–2.1)	1.08 (0.90–1–14)	NR
Caton	1990	6.2	Caton-Deschamps Index	1.34 (1.2–1.66)	1.03 (0.69–1.20)	5/61 (8.2%)

NR = Not Reported