highly significantP < 0.01
Differences were considered significant at P < 0.05, highly significant at P < 0.01, and very highly significant at P < 0.001 and P < 0.0001.
Differences were considered significant at P < 0.05, highly significant at P < 0.01, and very highly significant at P < 0.001 and P < 0.0001.