Table 1

Breakdown of patient population by treatment group.

Treatment GroupNumber of Patients (% of Total)
Nonoperative treatment
 Total122
 Successful117 (70.5%)
 Failed5 (3.0%)
Operative treatment
 Total44
 Single-level fusion4 (2.4%)
 Multilevel fusion28 (16.9%)
 Corpectomy12 (7.2%)