Table 2:

The relationship between pedicle involvement and duration from onset of pain in patients with osteoporotic compression fractures

Duration from Onset	Pedicle Involvement on MR Imaging
Duration from Onset	Positive (n = 144)	Negative (n = 81)
1–3 Months (n = 109)	84 (77%)^a	25
>3 Months (n= 116)	60 (51%)^a	56