At a mean follow-up of 8.1 + / -2.0 and 7.9 + / -1.8 months for the SA and STARR groups , respectively , the incidence of residual disease was significantly higher in the first group ( 29.4 vs 5.9 in the STARR group , p = 0.007 ) , while a significantly lower incidence of residual skin-tags was found after STARR ( 23.5 % vs 58.8 after SA , p = 0.03 ) .
