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Table 1 The preoperative and follow-up parameters in Group M and Group I

From: Mechanisms of compensatory for cervical lordosis changes after laminectomy with fusion

Characteristics Total (43) Group M (14) Group I (29) P value
Age (years) 65.51 ± 9.80 65.07 ± 7.96 65.72 ± 10.70 0.841
Gender (Male/Female) 25/18 6/8 19/10 0.163
Follow up period (months) 20.63 ± 6.53 19.50 ± 6.35 21.17 ± 6.66 0.438
Numbers of levels operated (n) 4.63 ± 0.49 4.43 ± 0.51 4.72 ± 0.45 0.062
Operated level     0.063
C3-6 16 8 8  
C3-7 27 6 21  
Preoperative value
C2-7(degree) 14.99 ± 12.16 15.92 ± 11.76 14.54 ± 12.53 0.731
O-C2(degree) 26.87 ± 8.81 26.99 ± 7.80 26.81 ± 9.38 0.950
T1S(degree) 29.40 ± 8.59 31.49 ± 11.85 28.38 ± 6.51 0.372
cSVA(mm) 19.78 ± 9.94 22.92 ± 8.87 18.26 ± 10.21 0.152
mJOA 13.12 ± 1.1.52 13.21 ± 1.72 13.07 ± 1.44 0.772
Final follow-up
C2-7(degree) 9.77 ± 11.06 10.99 ± 9.79 9.18 ± 11.74 0.622
O-C2(degree) 31.36 ± 7.82 27.80 ± 6.75 33.08 ± 7.82 0.036
T1S(degree) 26.62 ± 8.11 24.55 ± 8.74 27.61 ± 7.75 0.251
cSVA(mm) 22.94 ± 12.78 15.05 ± 11.72 26.74 ± 11.62 0.004
mJOA 16.60 ± 0.95 16.79 ± 0.89 16.52 ± 0.99 0.394
  1. Bold value indicates p value < 0.05 and is statistically significant