TABLE 1.

Patient Demographics

Parameter	Robot-Guided	Fluoroscopic-Guided	P-Value
n	374	111
% females	56.1%	62.2%	0.260
Age, yrs	59.0 ± 12.6	62.5 ± 12.8	0.009
BMI	31.2 ± 6.8	28.1 ± 5.2	<0.001
% Charleson >0	33.2	24.3	0.078
% Smokers	15.2	7.2	0.029
Patients >12-month	343 (91.7%)	109 (98.2%)	<0.001
Follow-up, mo	25.2 ± 10.5	35.5 ± 9.9	<0.001

% Charlson > 0 indicates percent of sample that had a Charlson Comorbidity Index (CCI) greater than 0; % females, percent of sample that were female; % smokers, percent smokers; BMI, body mass index; n, sample size; Patients > 12- month, patients that are greater than 12months after surgery.