Statistic Model parameter Maximum likelihood estimate Confidence interval
Force of community-based infection per community case k 2.62 x 10-6 [1.97 x 10-6, 3.20 x 10-6]
Force of direct infection per ward day (green ward) g 2.86 x 10-3 [0, 1.43 x 10-2]
Force of direct infection per ward day (red ward, pre-FFP3) r1 0.135 [0.0648, 0.232]
Force of direct infection per ward day (red ward, post-FFP3) r2 0 [0, 0.0804]
Relative direct risk on red wards post- versus pre-FFP3 r2/r1 0 [0, 0.687]
Relative direct risk on red ward versus green ward pre-FFP3 r1/g 47.0 [7.92, ∞)
Relative direct risk on red ward versus green ward post-FFP3 r2/g 0 [0, ∞)