Table 3.

Results of the multiple regression analyses for predicting arthroscopic intervention and the length of a long-term effect of the intra-articular injection.

		Arthroscopic intervention		Effect of the intra-articular injection
		P-value	Exp(B) (95%CI)	P-value	Exp(B) (95%CI)
Sex		0.28	0.56 (0.19–1.62)	0.02	0.31 (0.11–0.82)
Age		0.97	1.00 (0.95–1.06)	0.33	0.97 (0.93–1.03)
Body mass index		0.06	0.89 (0.78–1.01)	0.13	1.09 (0.97–1.22)
Duration of complaints	0–6 months	0.51	–	0.18	0.53 (0.21–1.34)
	7–12 months	0.30	0.54 (0.17–1.74)	0.90	1.08 (0.32–3.67)
	>12 months	0.79	1.15 (0.42–3.13)	–	–
Alpha angle		0.76	1.01 (0.95–1.07)	0.70	0.99 (0.94–1.04)
Abnormal morphology		0.08	2.32 (0.92–5.89)	0.89	0.94 (0.41–2.18)