Table I.
Comparison of patient and operative characteristics by year of index total shoulder arthroplasty
| All patients |
Year of index surgery |
P value | |||
|---|---|---|---|---|---|
| 2005-2010 |
2011-2014 |
2015-2018 |
|||
| N = 23,753 (%) | n = 1116 (%) | n = 5920 (%) | n = 16,717 (%) | ||
| Age | <.001∗ | ||||
| <60 | 15.2 | 19.5 | 14.9 | 15.1 | |
| 60-70 | 38.2 | 33.2 | 37.0 | 38.9 | |
| 71-80 | 35.5 | 34.8 | 34.9 | 35.8 | |
| >80 | 11.1 | 12.5 | 13.2 | 10.2 | |
| Female % | 55.7 | 57.3 | 56.3 | 55.4 | .288 |
| Body mass index (kg/m2) | .001∗ | ||||
| Nonobese (<30) | 49.4 | 53.9 | 50.7 | 48.7 | |
| Obese I (30-34.9) | 26.2 | 25.0 | 26.1 | 26.3 | |
| Obese II (35-39.9) | 14.0 | 13.4 | 13.5 | 14.2 | |
| Obese III (≥40) | 10.4 | 7.8 | 9.8 | 10.8 | |
| Comorbidities | |||||
| Diabetes | 17.2 | 12.1 | 16.6 | 17.8 | <.001∗ |
| Smoking history | 10.7 | 9.1 | 10.1 | 10.9 | .053 |
| COPD | 6.5 | 4.1 | 6.6 | 6.7 | .003∗ |
| Preoperative corticosteroid use | 4.8 | 3.5 | 5.0 | 4.9 | .090 |
| Hypertension | 66.9 | 68.0 | 66.9 | 66.9 | .733 |
| Primary anesthesia type | <.001∗ | ||||
| General | 96.8 | 94.4 | 95.9 | 97.2 | |
| Regional | 3.2 | 5.6 | 4.1 | 2.8 | |
| Dependent functional status | 2.5 | 5.7 | 2.9 | 2.1 | <.001∗ |
| ASA class | <.001∗ | ||||
| I | 1.7 | 2.3 | 2.1 | 1.5 | |
| II | 43.0 | 53.4 | 45.3 | 41.5 | |
| III | 52.5 | 41.9 | 50.0 | 54.2 | |
| IV | 2.8 | 2.3 | 2.7 | 2.8 | |
COPD, chronic obstructive pulmonary disease; ASA, American Society of Anesthesiologists.
∗
Significance defined as P < .0045 after Bonferroni correction; significant values are in bold.