Table 1. Summary table of continuous variables of our study sample.

Variables	Mean	SD
Age (years)	64.5	7.8
VAS (cm)	8.25	0.96
ODI (%)	57.3	10.6
Cobb (°)	21.67	11.31
Lordosis (°)	30.16	15.87
Intra-operative blood loss (mL)	102	89
Duration of surgery (min)	118	49
Follow-up (months)	28	13

SD, standard deviation; VAS, visual analogue scale; ODI, Oswestry Disability Index.