. 2007 Apr 17;16(10):1641–1649. doi: 10.1007/s00586-007-0348-4

Table 1.

Details of the unpaired t test study for angular variables between spondylolisthesis and control patients

Variable	Group	N	Mean (°)	SD	SEM	t value	P
AGE	Control	300	35.37	12.13	0.70	50.498	<0.0001
AGE	Spondylolisthesis	244	13.86	2.83	0.21	50.498	<0.0001
LSA	Control	300	109.94	7.18	0.41	21.146	<0.0001
LSA	Spondylolisthesis	244	82.32	21.17	1.35	21.146	<0.0001
SS	Control	300	41.86	8.38	0.48	−5.229	<0.0001
SS	Spondylolisthesis	244	46.57	12.55	0.80	−5.229	<0.0001
PT	Control	300	13.21	6.09	0.35	−18.007	<0.0001
PT	Spondylolisthesis	244	26.53	10.88	0.69	−18.007	<0.0001
PI	Control	300	54.67	10.65	0.61	−19.466	<0.0001
PI	Spondylolisthesis	244	73.05	11.30	0.72	−19.466	<0.0001
T9SO	Control	300	−10.35	3.05	0.17	−10.580	<0.0001
T9SO	Spondylolisthesis	244	−6.38	5.16	0.38	−10.580	<0.0001
T1SO	Control	300	−1.34	2.64	0.15	4.357	<0.0001
T1SO	Spondylolisthesis	244	−3.49	4.92	0.75	4.357	<0.0001
LL	Control	300	−43.13	11.20	0.64	21.624	<0.0001
LL	Spondylolisthesis	244	−70.22	17.30	1.16	21.624	<0.0001
TK	Control	300	40.66	10.27	0.59	11.996	<0.0001
TK	Spondylolisthesis	244	23.09	20.81	1.69	11.996	<0.0001