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Table 5 Differences in mean b* among study groups

From: Effect of vulcanization temperature and dental stone colour on colour degradation of maxillofacial silicone elastomers

Groups Room temperature High temperature a p
Mean b* ± SD Mean b* ± SD
Control group 3.35 ± 0.49 4.21 ± 0.73 <0.001*
White 4.15 ± 0.78 4.29 ± 0.35 0.380
Blue 3.94 ± 0.55 3.69 ± 0.61 0.100
Yellow 5.77 ± 1.14 5.67 ± 0.90 0.683
Green 3.96 ± 0.52 4.32 ± 0.46 0.006*
Reddish-brown 11.53 ± 1.50 13.77 ± 1.64 <0.001*
  1. aIndependent samples t test
  2. *p < 0.05