Anatomic shoulder replacement for primary osteoarthritis in patients over 80 years

Figures & data

Table 1. Demographic data. Summarized data are mean and range

	Group O	Group Y
Patients	32	32
Age	83 (80–90)	69 (67–70)
Follow-up, months	78 (36–134)	84 (57–139)
Sex: F/M	29/3	29/3
Dominant side	17	21

Table 2. Distribution of patients in both groups depending of glenoid morphology, according to the Walch classification

	Group O	Group Y
A1	6	8
A2	14	9
B1	4	9
B2	7	4
C	1	2

Table 3. Evolution of Constant score (CS), pain score, and mobility score in both groups (expressed as mean and range) and significance of differences

	Group O	Group Y	p-value
Preoperative CS	27 (5 to 87)	34 (17 to 64)	0.06
Preoperative adjusted CS	48 (35 to 57)	42 (25 to 51)	0.2
Postoperative CS	65 (8 to 83)	67 (35 to 85)	1.0
Postoperative adjusted CS ^a	110 (13 to 148)	97 (51 to 131)	0.005
Progression	38 (−22 to 74)	33 (−10 to 67)	0.1
Progression adjusted CS ^a	68 (−34 to 116)	49 (−13 to 97)	0.007
Preoperative pain score	2.8 (0 to 7)	3.7 (0 to 7)	0.2
Postoperative pain score	12.7 (5 to 15)	12.3 (3 to 15)	0.3
Preoperative mobility score	14 (0 to 30)	17 (6 to 36)	0.2
Postoperative mobility score	30 (0 to 40)	32 (0 to 40)	1.0
CS graded as	excellent/good/fair/poor, n	4/18/3/7	4/16/7/5

^a Statistically significant.