20 Mortality Rates VariableArm 2 & 3 n = 252 Arm 1 n = 125 Total n = 377 Died (%) 10 (4%) 20 (16%) 30 (8%) Person Years of follow-up 167 79 246 Rate per 100 PY (95% CI) 6.0 (2.9; 10)25.3 (15.5; 39.0) 12.2 (8.2; 17.4) Hazard Ratio 0.24 (0.11; 0.51) P - value 0.0002
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