Table 3

Regression analysis comparing correction of cervical lordosis and health-related quality-of-life outcomes.

Outcome Measure β Coefficient95% CI P Valuea
Physical component of short form-12 
 Maintained : restored−1.5(−5.8, 2.7)0.19
 Restored : kyphotic8.6(3.9, 13.3)0.03
 Maintained : kyphotic4.2(−0.7, 9.1)0.17
Mental component of short form-12 
 Maintained : restored1.1(−2.9, 5.0)0.50
 Restored : kyphotic−3.2(−9.7, 3.4)0.54
 Maintained : kyphotic−2.2(−8.5, 3.9)0.76
Neck Disability Index 
 Maintained : restored1.7(−8.6, 5.2)0.71
 Restored : kyphotic5.6(−5.8, 17.2)0.82
 Maintained : kyphotic7.6(−3.2, 18.5)0.62
VAS arm 
 Maintained : restored1.9(−0.1, 2.9)0.27
 Restored : kyphotic−2.0(−3.7, −0.4)0.03
 Maintained : kyphotic−1.2(−2.7, 0.4)0.11
VAS neck 
 Maintained : restored0.3(−1.4, 1.9)0.22
 Restored : kyphotic−0.5(−1.5, 0.5)0.12
 Maintained : kyphotic−0.8(−2.3, 0.8)0.33

  • Abbreviation: VAS, visual analog scale.

  • Note: Significance achieved at P < 0.05.

  • ↵a Regression analysis controlled for age, body mass index, Charlson Comorbidity Index, and preoperative diagnosis.