Table 6. Post hoc test which are significantly different (P value <0.05) among various disc levels in each age group.

T2 value				ADC value
Age group*	IVD level	IVD level	P Value	Age group*	IVD level	IVD level	P Value
45–54	L1–2	L4–5	0.029	25–34	L1–2	L2–3	0.006
		L5-S1	0.003			L3–4	<0.001
55–64	L1–2	L3–4	0.014			L4–5	0.034
		L4–5	0.010		L2–3	L5-S1	0.030
		L5-S1	0.009		L3–4	L4–5	0.003
				35–44#	L2–3	L4–5	0.041
						L5-S1	0.008
					L3–4	L5-S1	0.022
				45–54	L1–2	L4–5	0.040
						L5-S1	0.004
					L2–3	L5-S1	0.008
					L3–4	L5-S1	0.026

^*Unit: years; IVD, intervertebral disc;

^#Dunnett T3 test was used;