Table 2.

Intraclass correlation coefficient (ICC) analysis of the mean relative abundance of the top five most abundant phyla in the microbiota of stool samples subjected to different storage times at 4 °C compared to baseline

Time	Firmicutes ICC (95% CI)	Bacteroidetes ICC (95% CI)	Actinobacteria ICC (95% CI)	Proteobacteria ICC (95% CI)	Verrucomicrobia ICC (95% CI)
6 h	0.90 (0.70, 0.97)	0.93 (0.78, 0.98)	0.98 (0.92, 0.99)	0.98 (0.94, 0.99)	1.00 (0.99, 1.00)
24 h	0.72 (0.29, 0.91)	0.81 (0.48, 0.94)	0.98 (0.94, 0.99)	0.96 (0.89, 0.99)	0.99 (0.97, 1.00)
48 h	0.66 (0.19, 0.89)	0.77 (0.40, 0.93)	0.97 (0.90, 0.99)	0.96 (0.87, 0.99)	0.99 (0.96, 1.00)
72 h	0.66 (0.19, 0.89)	0.75 (0.35, 0.92)	0.97 (0.89, 0.99)	0.94 (0.82, 0.98)	0.98 (0.93, 0.99)
96 h	0.67 (0.20, 0.89)	0.78 (0.41, 0.93)	0.95 (0.84, 0.98)	0.95 (0.84, 0.98)	0.98 (0.93, 0.99)