Neuroscience Journal / 2014 / Article / Tab 2

Clinical Study

Impact of Age and Duration of Symptoms on Surgical Outcome of Single-Level Microscopic Anterior Cervical Discectomy and Fusion in the Patients with Cervical Spondylotic Radiculopathy

Table 2

Role of duration of symptoms and age in surgical outcome of ACDF.

IndexNumberPreoperativeImprovement in last followup
NDIVASNDIVAS

Duration of symptoms
 <6 months4821.8 ± 6.97.0 ± 1.813.0 ± 5.34.2 ± 2.0
 >6 months2023.2 ± 4.26.2 ± 1.414.6 ± 9.62.7 ± 3.1
value0.5360.1100.8650.101
Patients’ age
 <45 years old3219.5 ± 5.26.0 ± 1.810.1 ± 9.53.1 ± 2.7
 >45 years old3624.6 ± 6.17.4 ± 1.315.8 ± 4.64.3 ± 2.0
value0.2040.090.032*0.130

NDI: Neck Disability Index.
VAS: Visual Analogue Scale.
*Significant statistically.