<qa>  How many patients were admitted consecutively to the clinical oncology ward during the study periodA pilot study was conducted from 13 July at the time of 0am to 18 July at the time of 0am, 2014, 41 patients were admitted consecutively to the clinical oncology ward during the study period. 10 of them were excluded because of their incomplete MEWS chart, leaving 31 patients in the pilot study. 18 of them are male and 13 of them are female. 1 patient was transfer to ICU on her second day from admission, as the MEWS score increased by 3 from initial. Six patients had 7 day mortality with MEWS alarm and one patient had 7 day mortality without MEWS alarm in the study period. According to the sample size formulas and the calculators, the estimated sampling is 171 patients from 18 January to 7 February 2015. 