Table 1 Subject groups' assignment to Fitzpatrick skin, modified Glogau classifications and mean age

From: Effect of a novel dietary supplement on skin aging in post-menopausal women

   Active group (n=38) Placebo group (n=42)
   Number of subjects Percentage of subjects Number of subjects Percentage of subjects
Fitzpatrick skin classification II 8 21.11%a 11 26.61%
  III 30 78.95%a 31 73.81%
Modified Glogau classification II 20 52.63%a 15 35.71%
  III 18 47.37%a 27 64.29%
Mean age (years)±s.d.   55.76±4.34a 56.61±4.65
  1. aActive group not significantly different from the placebo group (P>0.05).