Table 1

Descriptive statistics of all angular variables.

		Main Group				Control Group
		α	β	ST	SD	α	β	ST	SD
N		59				49
Mean Std. Error		2.54	1.76	1.27	1.02	2.29	1.46	1.02	.93
Median		55.39	49.90	39.60	43.80	41.41	47.80	39.30	50.90
Std. Deviation		19.57	13.55	9.73	7.82	16.01	10.24	7.11	6.53
Variance		381.30	182.69	94.61	61.10	256.45	104.84	50.61	42.61
Percentile	25	41.27	36.50	33.00	40.00	32.08	42.95	35.25	46.10
Percentile	75	71.42	58.00	46.00	50.10	59.37	59.20	45.00	53.40

α – central angle; β – lordosis angle; ST – sacral tilt; SD – sacral deviation.