Table 1.

Patient demographics

	Stemless humeral head replacement (n = 73)
Gender (n)	48 female (65.8%) / 24 male (1 bilateral; 34.2%)
Mean age at surgery (years)	67.6 (SD 10.2; range, 40–84)
Indications
idiopathic osteoarthritis (n)	59 (80.8%)
posttraumatic osteoarthritis (n)	9 (12.3%)
humeral head necrosis (n)	4 (5.5%)
instability arthritis (n)	1 (1.4%)

Abbreviation: HSA hemi shoulder arthroplasty, SD standard deviation, TSA total shoulder arthroplasty