Research Article

Improved Monosegment Pedicle Instrumentation for Treatment of Thoracolumbar Incomplete Burst Fractures

Table 1

Patients’ basic information.

iMSPI SSPI Total value

Number of cases303363
Sex, male : female17 : 1319 : 1436 : 27
Age (yrs)42.6 ± 9.643.7 ± 9.943.1 ± 9.70.657
Causes of injury
  Falls17 (56.7%)17 (51.5%)34 (54.0%)
  Traffic accidents5 (16.7%)8 (24.2%)13 (20.6%)
  Crashes6 (20.0%)3 (9.1%)9 (27.3%)
  Heavy parts’ fall2 (6.7%)5 (15.2%)7 (11.1%)
Injured segments (, %)
  T124 (13.3%)8 (24.2%)12 (19.0%)
  L122 (73.3%)16 (48.5%)38 (60.3%)
  L24 (13.3%)9 (27.3%)13 (20.6%)
AO-ASIF type
  A3.114 (46.7%)14 (42.4%)28 (44.4%)
  A3.216 (53.3%)19 (57.6%)35 (55.6%)
Load-sharing score5.1 ± 1.15.5 ± 0.85.3 ± 1.00.069
Subject bed time (days) 6.4 ± 3.06.4 ± 3.96.4 ± 3.50.997

Two-tailed Fisher’s exact test.