Table 1 Demographic data at initial evaluation

Female/male

62/51

332/389

<0.05

Average age (years, range)

68.2 ± 14.6 (17–93)

63.1 ± 16.4 (16–94)

<0.05

Average disease duration (months, range)

27.3 ± 56.5 (0.1–444.0)

28.5 ± 64.5 (0.1–542.7)

NS

Average RDQ (range)

13.4 ± 5.6 (0–22)

11.1 ± 6.5 (0–24)

<0.05

Average VAS (range)

68.6 ± 19.2 (25–100)

70.8 ± 25.2 (0–100)

NS

Presence of fractures at thoraco-lumbar or lumbar spine

26 (23%)

70 (10%)

<0.01