Figure 1

Study schematic. Notes: (1) These patients might or might not have fulfilled the study criteria; those who were missed either died or were not able to take consent because no legally acceptable representative was available or they were transferred out of hospital before taking consent or primary team doctors were not agreeable to recruit patients who are in serious condition or prisoners. (2) Patients may have been recruited on the discharge date or overlooked or patient withdrew from the study or declined to be followed up upon recruitment or demise.