Table 2.

Cellular orientation on flat and grooved silk films after 2 d in culture.

Samples	Aligned hCF cells within 10° from groove (%±SD)	Aligned hCF cells within 20° from groove (%±SD)
Flat	11.8±5.2a)	22.3±5.7a)
A	21.2±1.8b)	37.0±6.9b)
B	25.8±5.8b)	43.2±5.2b)
C	27.7±2.1b)	47.4±4.5b)
D	20.0±5.3b)	34.7±4.0b)
E	21.4±4.8b)	47.5±2.4b)
F	52.7±8.7b)	76.9±6.6b)
G	23.5±5.2b)	36.4±7.3b)
H	72.6±3.1b)	88.5±6.9b)

^a)Groove angle of flat film was considered as vertical direction in the image;

^b)p<0.05 or less compared to flat sample.