Table 1.

Comparison of demographic and clinical data between patients operated with FA (n = 101) and CTNav (n = 91) technique

	FA group (n = 101)	CTNav group (n = 91)	p
Sex (M:F)	56:45	47:44	0.664
Age (years)	61 (23–75)	61 (37–75)	0.811
BMI (kg/m2)	27.0 (17.6–36.4)	26.9 (17.7–42.1)	0.745
Smoking (yes:no)	45:56	33:58	0.303
Previous spinal surgery (%)	14 (13.9)	21 (23.1)	0.134
Length of hospital stay (days)	2 (2–6)	2 (2–5)	0.184
Length of follow-up (days)	483 (321–791)	253 (182–588)	< 0.010

Data are reported as median (range), counts are used where appropriate. FA fluoroscopy assisted, CTNav CT-navigation assisted, M male, F female, BMI body mass index