Table 2.
Changes in 1-Year Outcome Scores From Baseline, and Return to Work Between Groups of Satisfaction.
| Patient-Reported Outcomes | Satisfied (65.9%) | Uncertain (28.2%) | Dissatisfied (5.9%) | Overall | P |
|---|---|---|---|---|---|
| Neck Disability Index, mean (SD) | −22.7 (14.4) | −7.7 (16.1) | 3.2 (14.3) | −17.3 (17.0) | <.001 |
| EuroQOL-5D, mean (SD) | 0.27 (0.32) | 0.09 (0.35) | −0.22 (0.26) | 0.20 (0.35) | <.001 |
| Short Form 36 PCS, mean (SD) | 9.8 (9.6) | 2.0 (8.5) | −2.2 (8.2) | 7.0 (10.0) | <.001 |
| VAS neck pain, mean (SD) | −32.1 (30.6) | −6.3 (30.9) | 0.2 (21.3) | −22.8 (32.7) | <.001 |
| VAS arm pain, mean (SD) | −42.9 (31.5) | −19.3 (30.6) | −0.25 (18.0) | −34.0 (33.4) | <.001 |
| Back to preoperative work status,a % | 83.3 | 60.3 | 41.7 | 74.3 | <.001 |
Abbreviations: PCS, Physical Component Summary; SD, standard deviation; VAS, visual analogue scale.
aAnalysis of variance was used to compare outcome between groups of satisfaction.
bChi-square-test was used to compare working status.