Resolution: standard / high
Figure 2.
Nomogram showing sample size calculation for a standardized difference of 0.78 and 80% power.
Whitley and Ball Critical Care 2002 6:335 doi:10.1186/cc1521
|
Resolution: standard / high Figure 2.
Nomogram showing sample size calculation for a standardized difference of 0.78 and 80% power.
Whitley and Ball Critical Care 2002 6:335 doi:10.1186/cc1521 |