| Mean | SD | 95% CI | P value | 95% CI | P value |
---|---|---|---|---|---|---|
OU patients/bed/day | Â | Â | Â | Â | Â | Â |
  US | 1.6 | 0.7 | -0.1 to 3.3 | 0.58 | -0.8 to 2.1 | 0.27 |
  Asia | 0.9 | 0.6 | -0.6 to 2.4 | 0.12 | ||
OU length of stay (hours) | Â | Â | Â | Â | Â | Â |
  US | 12.9 | 1.9 | 8.3 to17.5 | 0.01 | -67.9 to 52.7 | 0.39 |
  Asia | 20.5 | 7.8 | -49.4 to 90.4 | 0.17 | ||
OU discharge rate (%) | Â | Â | Â | Â | Â | Â |
  US | 84.3 | 1.2 | 81.5 to 87.2 | 0.00 | -10.5 to 1.9 | 0.11 |
  Asia | 88.7 | 2.9 | 81.5 to 95.8 | 0.00 |  |  |