. 2009 Sep 5;15(12):3799–3808. doi: 10.1089/ten.tea.2009.0148

Table 2.

Counts, Sizes, and Composition of Spontaneously Formed Clusters in PEG and PEGCol Hydrogels at Days 0 and 7

Characteristic	Day	PEG	0.5 mg/mL PEGCol
Cluster count (per hydrogel)	0	39 ± 7	43 ± 5
	7	0	38 ± 7
Average cluster size (high, low) (μm, largest diameter)	0	41 (91.5, 20.6)	36 (95.8, 20.2)
	7	not applicable	51^a (100.6, 21.5)
% clusters with >50% insulin + cells	0	0	0
	7	not applicable	100

^{^a}

p < 0.05 compared to day 0.

PEG, polyethylene glycol; PEGCol, PEG hydrogels with entrapped collagen type 1.