Procedures
Patients were stratified according to study center
and Gustilo–Anderson fracture grade (I or II vs.III) (see the Supplementary Appendix). Patients
underwent randomization in a 1:1:1:1:1:1 ratio
and were assigned to one of six treatment groups:
soap and very low pressure, soap and low pressure,
soap and high pressure, saline and very
low pressure, saline and low pressure, or saline
and high pressure