From: Autologous bone graft versus demineralized bone matrix in internal fixation of ununited long bones
autograft group | allograft group | p-value Mann-Whitney-Test | ||
---|---|---|---|---|
Sex | [n] | 0.383 | ||
male | 6 | 4 | ||
female | 4 | 6 | ||
Age | [years] | 0.289 | ||
mean | 50.6 | 57.9 | ||
range | 27-81 | 31-85 | ||
Body-mass-index | [m/kg2] | 0.450 | ||
mean | 25.0 | 24.5 | ||
range | 19.2-28.4 | 18.8-39.0 | ||
Smoking-Status | [package-yrs] | 0.466 | ||
mean | 1.2 | 5.0 | ||
range | 0-12 | 0-30 | ||
Location of non-union | [n] | 0.420 | ||
upper arm | 2 | 4 | ||
forearm | 5 | 2 | ||
femur | 0 | 3 | ||
lower leg | 3 | 1 | ||
Fracture to index surgery | [months] | 0.183 | ||
mean | 8.7 | 14.6 | ||
range | 6-16 | 6-54 | ||
Prior instrumentation | [n] | 0.654 | ||
none | 2 | 5 | ||
plate | 7 | 2 | ||
intramedullary device | 1 | 3 | ||
ASA Score | 0.014 | |||
mean | 1.4 | 2.1 | ||
range | 1-2 | 1-3 |