Patellar Height after High Tibial Osteotomy of the Distal Tibial Tuberosity: A Retrospective Study of Age Stratification

Table 4

Changes in the frequency of patellar height classification (, %).

		Normal patella	Patella alta	Patella baja
<60 years	Preoperative	15 (53.57)	5 (17.86)	8 (28.57)	0.093	0.954
	Postoperative	14 (50.00)	5 (17.86)	9 (32.14)
60~70 years	Preoperative	32 (52.50)	9 (14.75)	20 (32.79)	0.357	0.837
	Postoperative	29 (47.54)	9 (14.75)	23 (37.70)
>70 years	Preoperative	11 (52.38)	5 (23.81)	5 (23.81)	0.155	0.926
	Postoperative	12 (57.14)	5 (23.81)	4 (19.05)