Table 1.

Evaluation indexes comparison between Group A and Group B

Evaluation indexes	Group A (N = 40)	Group B (N = 47)	P value
Operation time (min)	218.5 ± 15.5*	163.8 ± 13.3*	0.000
Blood loss (ml)	663.8 ± 82.2*	509.8 ± 72.1*	0.000
Rate of surgical complications (%)	7.5% (3/40)	6.4% (3/47)	0.848
Time of bone graft fusion (months)	6.5 ± 0.8	6.6 ± 0.7	0.794
Kyphosis correction rate (%)	84.2 ± 14.7	80.2 ± 20.5	0.310
Correction loss rate (%)	6.1 ± 6.9	5.5 ± 6.5	0.696

Data are presented as n (%) or mean ± standard deviation (range)

*: P < 0.05, the difference between Group A and Group B was significant