Table V.
Dominant-cohort metrics
| Preoperative | Postoperative |
P value | ||
|---|---|---|---|---|
| 3 mo | 1 yr | |||
| IMU data metric | ||||
| No. of elevation events/h | 128 ± 52 | 137 ± 58 | 152 ± 77 | .197 |
| No. of elevation events/h > 90° | 6 ± 4 | 11 ± 8 | 11 ± 9 | .012∗ |
| % of time spent at >90° of elevation | 0.63 ± 0.94 | 1.29 ± 1.67 | 0.81 ± 1.12 | .255 |
| % of day spent performing low-intensity activity | 61 ± 15 | 62 ± 15 | 62 ± 17 | .677 |
| % of day spent performing moderate-intensity activity | 31 ± 9 | 30 ± 11 | 28 ± 10 | .652 |
| % of day spent performing high-intensity activity | 9 ± 7 | 9 ± 9 | 10 ± 12 | .452 |
| Proportion of day at varying arm elevation angles, % | ||||
| 0°-20° | 54 ± 13 | 53 ± 16 | 49 ± 14 | .576 |
| 20°-40° | 29 ± 11 | 28 ± 9 | 33 ± 7 | .157 |
| 40°-60° | 12 ± 8 | 12 ± 7 | 13 ± 10 | .968 |
| 60°-80° | 4 ± 4 | 4 ± 4 | 3 ± 3 | .666 |
| 80°-100° | 1 ± 1 | 2 ± 3 | 1 ± 1 | .199 |
| >100° | 0.5 ± 0.5 | 1 ± 1 | 0.5 ± 1 | .177 |
| Proportion of elevation events at varying arm elevation angles, % | ||||
| 20°-40° | 48 ± 12 | 43 ± 14 | 42 ± 15 | .297 |
| 40°-60° | 32 ± 7 | 30 ± 7 | 32 ± 4 | .315 |
| 60°-80° | 13 ± 5 | 15 ± 7 | 15 ± 8 | .400 |
| 80°-100° | 4 ± 2 | 7 ± 5 | 6 ± 4 | .067 |
| >100° | 3 ± 2 | 5 ± 3 | 4 ± 2 | .017∗ |
IMU, inertial measurement unit.
Data are presented as mean ± standard deviation.
∗
Statistically significant (P < .05).