Cemented vs. uncemented reverse total shoulder arthroplasty for the primary treatment of proximal humerus fractures in the elderly—a retrospective case–control study

Table 2 Comparison of the radiographic analysis between cemented and uncemented groups.

	Cemented group (n = 34)		Uncemented group (n = 17)
	N	%	N	%	p-value
Bone resorption					< 0.001
yes	3	9	17	100
no	31	91	0	0
Bone resorption grade medial					< 0.001
0	34	100	6	35
1	0	0	0	0
2	0	0	10	59
3	0	0	1	6
Bone resorption grade lateral					< 0.001
0	31	91	1	6
1	0	0	0	0
2	2	6	5	29
3	1	3	11	65
GT healed					0.48
yes	27	79	12	71
no	7	21	5	29
LT healed					0.18
yes	32	94	14	82
no	2	6	3	18
Scapular notching					0.24
yes	6	18	1	6
no	28	82	16	94
Scapular notching grade (1–4)					0.18
0	28	82	16	94
1	5	15	1	6
2	1	3	0	0
> 2	0	0	0	0
Lucent zones					0.06
0	21	62	9	53
1–2	7	21	7	41
3–7	6	17	1	6

GT healed Greater tuberosity healed in anatomical position, LT healed Lesser tuberosity healed in anatomical position

ISSN: 1471-2474