Table 3.

Quantitative Summary of the Effect of Variable Parameters (PCL Concentration, PEG Molecular Weight, PEG Concentration, and NaCl Concentration) on Total Fiber Diameter, Core Diameter, and Sheath Thickness

	PCL concentration (μm)	PEG molecular weight (μm)	PEG concentration (μm)	NaCl concentration (μm)
Total diameter	0.49 ± 0.03	0.12 ± 0.03	−0.05 ± 0.03	0.38 ± 0.03
Core diameter	0.40 ± 0.01	0.06 ± 0.01	0.36 ± 0.01	0.12 ± 0.01
Sheath thickness	0.11 ± 0.03	0.08 ± 0.03	−0.40 ± 0.03	0.28 ± 0.03