Table 1.

The clinicopathological characteristics of the study group and association with local recurrence.

characteristics		odds ratio	95% confidence intervall	p-value	correlation coefficient	p-value
age		1.006	0.980–1.033	p = 0.645	ε = 0.043	p = 0.642
	Age less than 18 years	0.480	0.153–1.506	0.209	φ = 0.119	0.202
	Age greater than 18 years	2.082	0.664–6.528	0.209	---	---
gender					φ = 0.004	p = 0.966
	female	0.984	0.468–2.070	0.966
	male	1.016	0.483–2.138	0.966
pathological fracture					φ = 0.139	p = 0.135
	no	2.771	0.696–11.032	0.148
	yes	0.361	0.091–1,436	0.148
location (proximal/distal)					φ = 0.367	p = 0.367
	distal	0.698	0.320–1.525	0.368
	proximal	1.432	0.656–3.129	0.368
location (upper/ lower extremity)					φ = 0.035	p = 0.709
	lower	0.835	0.324–2.153	0.709
	upper	1.198	0.465–3.088	0.709
Campanacci classification					Kramer’s φ = 0.058	p = 0.936
	I	0.500	0.044–5.737	0.578
	II	1.765	0.145–21.474	0.656
	III	2.00	0.174–22.949	0.578
neoadjuvant use of denosumab					φ = 0.154	p = 0.101
	no	2.708	0.796–9.211	0.111
	yes	0.369	0.109–1.256	0.111
metastases					φ = 0.1	p = 0.356
	yes	3,283	0.331–32.537	0.310
	no	0.305	0.031–3.019	0.310
secondary ABC					φ = 0.035	p = 0.704
	no	0.852	0.374–1943	0.704
	yes	1.173	0.515–2.676	0.704
joint affection					φ = 0.169	p = 0.069
	no	0.335	0.098–1.138	0.080
	yes	2.989	0.879–10.164	0.080
extraosseous component					φ = 0.109	p = 0.617
	no	0.713	0.320–1.588	0.408
	yes	1.402	0.630–3.120	0.408