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Table 1 2 × 3 Factorial Design with a Total of 2280 Patients and 380 Patients per Arm

From: Fluid Lavage of Open Wounds (FLOW): design and rationale for a large, multicenter collaborative 2 × 3 factorial trial of irrigating pressures and solutions in patients with open fractures

  Gravity Flow Pressure Low Pressure High Pressure Total
Soap solution 380 380 380 1140
Saline 380 380 380 1140
Total 760 760 760 2280