Table 2. Pearson correlation coefficients between radiographic methods.

	Cobb2 L1s_L5i	Cobb3 L2s_S1s	Cobb4 T12i_S1s	Centroide	Posterior L1xL5	Posterior L1xS1	Trall
Cobb1 L1s_S1s	0.809**	0.810**	0.893**	0.611**	0.467**	0.548**	0.693**
	Strong	Strong	Strong	Moderate	Moderate	Moderate	Moderate
Cobb2 L1s_L5i		0.800**	0.820**	0.664**	0.502**	0.603**	0.707**
		Strong	Strong	Moderate	Moderate	Moderate	Strong
Cobb3 L2s_S1s			0.765**	0.572**	0.444**	0.627**	0.677**
			Strong	Moderate	Moderate	Moderate	Moderate
Cobb4 T12i_S1s				0.585**	0.451**	0.618**	0.651**
				Moderate	Moderate	Moderate	Moderate
Centroid					0.493**	0.276*	0.697**
					Moderate	Weak	Moderate
Posterior L1xL5						0.631**	0.474**
						Moderate	Moderate
Posterior L1xS1							0.360**
							Weak

* p<0.01.