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Table 1 Baseline information, VAS, JOA, and NDI scores in the two groups (\( \overline{x} \) ± SD)

From: Posterior open-door laminoplasty secured with titanium miniplates vs anchors: a comparative study of clinical efficacy and cervical sagittal balance

ItemGroup A (n = 42)Group B (n = 37)t valueP value
Age (years)61.2 ± 8.860.9 ± 8.30.1100.913
Course of disease (months)45.3 ± 7.743.7 ± 9.40.5800.565
Surgical time (min)116.1 ± 16.7113.9 ± 15.10.7820.439
Intraoperative blood loss (ml)184.4 ± 35.8170.4 ± 34.31.2720.211
Hospital stay (days)7.67.50.5250.603
Hospitalized cost (Yuan)104112.367331.518.7680.000
VAS scores of neck pain
 Before surgery2.7 ± 0.922.5 ± 1.040.9610.342
 At 2 years after surgery1.3 ± 0.651.4 ± 0.500.5410.592
JOA scores
 Before surgery8.8 ± 1.098.4 ± 0.971.3040.200
 At 2 years after surgery13.5 ± 1.2912.9 ± 1.371.2470.230
 IRNF56.9 ± 13.549.6 ± 12.91.7900.081
NDI scores
 Before surgery42.7 ± 3.0442.3 ± 2.760.2800.718
 At 2 years after surgery22.2 ± 2.4424.4 ± 3.622.5010.017