Table 2.

Particle sizes of different hydrogel beads.

	Before Incubation		After Incubation
	Name	Diameter (mm)	Name	Diameter (mm)
Non-bacteria group	1BC	2.109 ± 0.035 h	1AC	2.458 ± 0.069 f
	2BC	2.466 ± 0.078 f	2AC	2.617 ± 0.034 e
	3BC	2.787 ± 0.051 c	3AC	2.867 ± 0.055 b
Bacteria-containing group	1BLP	2.111 ± 0.096 h	1ALP	2.358 ± 0.129 g
	2BLP	2.69 ± 0.036 d	2ALP	2.846 ± 0.065 bc
	3BLP	2.644 ± 0.046 de	3ALP	3.024 ± 0.047 a

Numbers with different superscripts (a–h) are significantly different (p < 0.05).