Table 3.
Univariate analyses for 50% improvements at 2-year post-operative for NDI, VAS Neck/Arm, and SF-36 PCS/MCS scores.a
|
Variable |
NDI
P
Value |
VAS Neck
P
Value |
VAS Arm
P
Value |
SF-36 PCS
P
Value |
SF-36 MCS
P
Value |
| Age | .940 | .434 | .756 | .782 | .108 |
| BMI | .056 | .720 | .387 | .992 | .649 |
| Gender | .037 | .440 | .354 | .344 | .255 |
| Previous cervical surgical history | .039 | .144 | .236 | .146 | .100 |
| Baseline NDI | <.001 | <.001 | <.001 | ||
| Baseline SF 36 PCS | <.001 | <.001 | <.001 | .224 | .012 |
| Baseline SF 36 MCS | .001 | <.001 | <.001 | <.001 | <.001 |
| Arm pain greater than neck pain | .044 | .319 | .016 | .050 | .208 |
Abbreviations: BMI, body mass index; NDI, neck disability index; SF-36 MCS, Short-Form 36 Mental Component Summary; SF-36 PCS, Short-Form 36 Physical Component Summary; VAS, visual analog scale.
aBold indicates significant values.