Correlation Analysis between Tamoxifen and Lumbar Intervertebral Disc Degeneration: A Retrospective Case-Control Study

Table 4

Comparisons of modified Pfirrmann grading of L1/2-L5/S1 IVD between the TAM group and the non-TAM group.

	TAM group (n = 46)/non-TAM group (n = 29)
	L1/2	L2/3	L3/4	L4/5	L5/S1
Grade 1	0/0	0/0	0/0	0/0	0/0
Grade 2	24/25	17/17	6/8	2/3	4/4
Grade 3	12/2	16/10	19/12	10/9	13/3
Grade 4	8/1	8/1	14/9	23/12	11/13
Grade 5	0/1	3/0	5/0	9/3	10/6
Grade 6	1/0	1/1	2/0	1/2	8/3
Grade 7	1/0	1/0	0/0	1/0	0/0
Grade 8	0/0	0/0	0/0	0/0	0/0
value	0.004	0.025	0.052	0.195	0.902

indicates a significant difference ().