Table 1.

Comparison of patella tilt between pre- and post-operation (degrees)

Measurement timing	Flexion (degrees)
	30	60	90
Pre-operation	8.5 ± 4.6	6.1 ± 3.7*	5.2 ± 3.0
Post-operation	10.6 ± 2.5	9.1 ± 2.8*	6.2 ± 2.9

Values are expressed as mean ± SD

*P < 0.05