2.5. Statistical analysis
Of this study, the analysis of co-variance (ANCOVA) was employed to determine emergent differences between treated GRS groups concurrent with storage. We considered the resultant data of entire study period (from month 0 to month 12). Mean comparisons by post hoc were resolved using Fisher’s least significant difference (LSD) test. The resultant data mostly depicted by figures and in most cases were representative of mean values of repeated measurements and standard deviations (SD). Level of statistical significance was accepted only at P < 0.05.