Table 1.

Intraclass correlation coefficient (ICC) analysis of the mean alpha-diversity metrics in the microbiota of stool samples subjected to different storage times at 4 °C compared to baseline

Time	Observed ICC (95% CI)	Chao1 ICC (95% CI)	Shannon ICC (95% CI)	Inverse Simpson ICC (95% CI)
6 h	0.98 (0.94, 0.99)	0.91 (0.73, 0.97)	0.98 (0.93, 0.99)	1.00 (0.99, 1.00)
24 h	0.99 (0.95, 1.00)	0.89 (0.69, 0.97)	0.96 (0.88, 0.99)	0.97 (0.92, 0.99)
48 h	0.97 (0.90, 0.99)	0.87 (0.63, 0.96)	0.96 (0.88, 0.99)	0.96 (0.88, 0.99)
72 h	0.98 (0.92, 0.99)	0.88 (0.64, 0.96)	0.97 (0.89, 0.99)	0.96 (0.86, 0.99)
96 h	0.97 (0.89, 0.99)	0.86 (0.61, 0.96)	0.93 (0.79, 0.98)	0.94 (0.83, 0.98)