Photodynamic therapy vs radiofrequency ablation for Barrett’s dysplasia: Efficacy, safety and cost-comparison

Table 1 Characteristics factors of the patients n (%)

Variable	PDT (n = 33)	RFA (n = 53)
Age (yr)
Mean ± SD	70.7 ± 12.2	65.4 ± 12.7
Range	49-80	54-80
Sex
Female	3 (9)	14 (26)
Male	30 (91)	39 (74)
Body-mass index
Mean ± SE	27.8 ± 0.7	31.7 ± 1.3
Range	21-38	23-47
Length of Barrett's esophagus (cm)
Mean ± SD	5.4 ± 3.2	5.7 ± 3.2
Range	1.0-8.0	1.0-9.0

PDT: Photodynamic therapy; RFA: Radiofrequency ablation.