Table 2

Tumour thickness, marginal dose, and follow up time (mean(SD))

Thickness (mm)Marginal dose (Gy)Follow up (months)No of patients
Group 14.4 (1.3)65.7 (7.9)33.1 (14.2) 8
Group 27.7 (2.5)5028.3 (9.7)15
Group 38.2 (1.8)44.4 (1.7)20.0 (11) 6