Table 1.
Demographics for the cemented and press-fit cohorts
| Characteristic | Cemented (n=138) | Press-fit (n=31) | Intergroup P-value |
|---|---|---|---|
| Demographic information | |||
| Age at surgery (yr) | 66.3±8.6 | 55.6±10.3 | <0.01 |
| Mean follow-up (yr) | 11.0±5.7 | 9.4±4.6 | 0.15 |
| Sex (% female) | 52.2 | 32.3 | 0.07 |
| BMI (kg/m2) | 26.6±5.4 | 29.4±3.8 | 0.02 |
| Indication | |||
| Osteoarthritis | 129 (93.5) | 31 (100) | NA |
| Rheumatoid arthritis | 7 (5.1) | 0 | NA |
| Other | 2 (1.4) | 0 | NA |
| Humeral component | |||
| Bigliani/flatow | 126 (91.3) | 21 (67.7) | NA |
| Trabeculated metal | 4 (2.9) | 8 (25.8) | NA |
| Stemless implant | 1 (0.7) | 0 | NA |
| Unclassified stem | 7 (5.1) | 2 (6.5) | NA |
Values are presented as mean±standard deviation or mean (% of cohort). Patients may have had multiple indications for anatomic total shoulder arthroplasty, only the main indication was recorded.
BMI: body mass index, NA: not applicable.