Table 4. Differences between reduction maneuvers of main thoracic curves with Cobb angles lower and higher than 65 degrees simultaneously compared through Cochran test.

Variables	≤ 65		> 65		p
	Frequency	Percentage	Frequency	Percentage
Main thoracic supine	11	68,80%	5	31,30%	0,115
Main manual thoracic reduction	12	75,00%	4	25,00%
Main modified thoracic traction	15	88,20%	2	11,80%
Main thoracic Inclination	11	73,30%	4	26,70%
Main thoracic post-operative	13	81,30%	3	18,80%