Table 1. Folding indices for various exposure times of sonication.

	Control		30 sec sonication		60 sec sonication		120 sec sonication		300 sec sonication
Folding index mean (SD)	181.3 (75.8)		262.63 (75.7)		311.7 (77.6)		494.1 (122.4)		640.7 (209.3)
corrected p-value*		p-value <0.001		p-value <0.001		p-value <0.001		p-value <0.001

*All p-values were significantly smaller than 0.001.