Table 2.

Impact of adjuvant treatments on local recurrence rate for studies with a minimum follow-up of 24 months, split by the 4 most common tumour entities.

Giant Cell Tumour (GCT) of Bone
	Total	No LR	LR	p -value
Curettage + burr	263	219	44	N/A
Curettage	12	8	4	0.233 *
Curettage + adjuvant	95	83	12	0.346
Curettage + adjuvant + PMMA	83	59	24	0.015
Curettage + burr + adjuvant	164	133	31	0.602
Curettage + burr + adjuvant + PMMA	223	198	25	0.082
Curettage + burr + PMMA	22	18	4	0.773 *
Curettage + PMMA	1	1	0	n.c.
Aneurysmal Bone Cyst (ABC)
	Total	No LR	LR	p -value
Curettage + burr	36	34	2	N/A
Curettage	20	19	1	1.000 *
Curettage + burr + adjuvant	101	91	10	0.428
Curettage + burr + adjuvant + PMMA	2	2	0	1.000 *
Curettage + PMMA	6	5	1	0.378 *
Atypical Cartilaginous Tumour (ACT)
	Total	No LR	LR	p -value
Curettage + burr	5	0	0	N/A
Curettage	7	6	1	1.000 *
Curettage + adjuvant	23	23	0	n.c.
Curettage + adjuvant + PMMA	93	0	0	n.c.
Curettage + burr + adjuvant	16	15	1	1.000 *
Curettage + burr + adjuvant + PMMA	21	21	0	n.c.
Curettage + burr + PMMA	1	1	0	n.c.
Curettage + PMMA	1	0	0	n.c.
Chondroblastoma
	Total	No LR	LR	p -value
Curettage + burr	97	89	8	N/A
Curettage	34	30	4	0.508 *
Curettage + adjuvant + PMMA	2	0	2	0.009 *
Curettage + burr + adjuvant	34	32	2	1.000 *
Curettage + burr + PMMA	28	28	0	0.116
Curettage + PMMA	6	4	2	0.103 *

Legend: * Fisher’s exact test; N/A—not applicable; n.c.—not calculated. p-values in bold highlight statistically significant results.