Do the radiological changes seen at mid term follow up of stemless shoulder prosthesis affect outcome?

Table 2 Influence of radiological parameters on clinical outcome

Parameter	n		CS		p value	SSV		p value
Parameter	Absent	Present	Absent	Present	p value	Present	Absent	p value
ap-a	19	3	43.7 ± 21.5	49.0 ± 21.6	0.5	90.0 ± 10	68.7 ± 21	0.1
ap-b	20	2	46.1 ± 21.6	45.0 ± 21.2	0.9	65.0 ± 49.5	73.2 ± 18.9	0.61
ap-c	19	3	46.8 ± 21.2	30.0	0	66.6 ± 32.1	73.4 ± 20	0.61
ax-a	20	2	46.6 ± 22.1	43.2 ± 17.7	0.78	85 ± 7	71.2 ± 21.7	0.39
ax-b	20	2	45.5 ± 22	49.0 ± 16.5	0.79	95 ± 7	70.2 ± 20.8	0.11
ax-c	18	4	43.4 ± 22.6	54.2 ± 13.7	0.3	75.0 ± 31.	71.9 ± 19.4	0.8
AP-A	12	10	43.2 ± 21.4	62.6 ± 4.9	0.1	74.5 ± 23.1	70.8 ± 20.2	0.69
AP-B	20	2	45.7 ± 21.3	48.0 ± 25.4	0.8	60.0 ± 42.4	73.7 ± 19.5	0.39
AP-C	21	1	45.22 ± 21.8	50.6 ± 18.3	0.6	30.0	74.5 ± 19.36	–
AX-A	18	4	44.4 ± 21.5	61 ± 5.6	0.3	70.0 ± 28.2	73.0 ± 20.2	0.8
AX-B	19	3	44.3 ± 21.4	61.5 ± 6.3	0.2	70.0 ± 34.6	72.8 ± 19.6	0.8
AX-C	17	5	44 ± 21.8	54.5 ± 16.8	0.3	75.0 ± 26.9	71.7 ± 20.0	0.7

ap a,b,c represent zones for measurement on the AP radiograph and ax a,b,c represent zones on the axillary radiograph
Small caps indicate bone density loss, Capitals indicate radiolucent lines
n number
CS Constant score
SSV Subjective shoulder value

ISSN: 1471-2474