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Table 4 Post-hoc mean a* comparisons 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* a p ∆a* a p
Control/white −0.26 0.287 0.52 0.001*
Control/blue −0.19 0.999 0.34 0.114
Control/yellow 0.06 0.999 0.48 0.002*
Control/green −0.09 0.999 1.00 <0.001*
Control/reddish-brown −1.68 <0.001* −1.26 <0.001*
White/blue 0.07 0.999 −0.18 0.999
White/yellow 0.32 0.062 −0.04 0.999
White/green 0.18 0.999 0.48 0.002*
White/reddish-brown −1.42 <0.001* −1.78 <0.001*
Blue/yellow 0.25 0.394 0.15 0.999
Blue/green 0.10 0.999 0.66 <0.001*
Blue/reddish-brown −1.49 <0.001* −1.60 <0.001*
Yellow/green −0.15 0.999 0.52 0.001*
Yellow/reddish-brown −1.74 <0.001* −1.74 <0.001*
Green/reddish-brown −1.59 <0.001* −2.26 <0.001*
  1. aIndependent samples t test
  2. *p < 0.05