Table 3:

Subsequent fracture incidence stratified

Subsequent FracturesCortossPMMA
AdjacentNon-AdjacentAdjacentNon-Adjacent
No. (%) of patients with ≥1 Fx30 (18.5%)26 (16.0%)19 (20.2%)16 (17.0%)
No. (%) of first-time patients with Fxa7 (10.3%)6 (8.8%)8 (18.2%)6 (13.6%)
% Difference C < P43.4%35.3%
  • Note:—Fx indicates fracture; C, Cortoss; P, PMMA.

  • a Patients originally treated at 1 level with no previous fractures: C = 68, P = 44.