Table 2.

Data and complication rate. Test for comparison of proportions

	Nonoperated (A)	Operated (B)	P value
Group number/ total number	23/37	14/37	0.064
Age: mean (range)	14.26 (12–16)	13.07 (12–16)
Gender M/F	4/19	5/9
Cincinnati score: median (range)	332.14 (210–420)	362.87 (170–420)	0.091
Redislocation: number (%)	1 (7.14)	2 (8.69)	-
Patients with major symptoms of patellar instability (postponed operation): number (%)	3 (13.04)	2 (14.28)	0.856
Patients with mild symptoms of patellar instability: number (%)	1 (7.14)	3 (13.04)	0.648