Table 3.
Patient outcome metrics, device group: average values and standard deviations
| N | Preoperative | Postoperative | Difference | p value | |||||
|---|---|---|---|---|---|---|---|---|---|
| VAS | Neck pain | 20 | 5.6 | (3.0) | 4.7 | (3.2) | − 0.9 | (3.4) | 0.23 |
| Arm pain | 20 | 6.2 | (2.7) | 4.5 | (3.8) | − 1.8 | (4.0) | 0.06 | |
| SF-36 | Physical functioning | 21 | 52.1 | (25.0) | 63.6 | (26.9) | + 11.5 | (28.8) | 0.08 |
| Role limitations due to physical health | 19 | 26.3 | (36.8) | 36.8 | (44.4) | + 10.5 | (50.9) | 0.38 | |
| Role limitations due to emotional problems | 19 | 40.4 | (46.6) | 42.1 | (50.7) | + 1.8 | (59.3) | 0.9 | |
| Energy/fatigue | 20 | 40.6 | (18.3) | 45.3 | (28.0) | + 4.7 | (26.8) | 0.45 | |
| Emotional well-being | 20 | 51.6 | (21.4) | 69.1 | (28.7) | + 17.5 | (26.0) | 0.01 | |
| Social functioning | 20 | 49.4 | (32.1) | 58.8 | (34.7) | + 9.4 | (42.9) | 0.34 | |
| Pain | 20 | 36.8 | (23.6) | 49.9 | (32.8) | + 13.1 | (38.5) | 0.14 | |
| General health | 21 | 59.0 | (22.1) | 62.4 | (27.2) | + 3.3 | (25.3) | 0.55 | |
| Health change | 21 | 26.2 | (24.3) | 76.2 | (27.9) | + 50.0 | (37.1) | < 0.01 | |
| Physical component score (PCS) | 17 | 38.5 | (18.3) | 47.6 | (25.8) | + 9.1 | (27.7) | 0.19 | |
| Mental component score (MCS) | 17 | 49.9 | (19.9) | 60.1 | (22.3) | + 10.1 | (22.8) | 0.08 | |