a nonsignificant trendP = 0.088
For severe cGVHD, the MEL/TT+BU regimen showed a nonsignificant trend toward increased risk in univariable analysis (HR 2.97, 95% CI 0.85–10.39, P = 0.088), which was not retained after adjustment (HR 2.28, 95% CI 0.51–10.29, P = 0.280).