Table 2

Data collection schedule of the Chinese Acute-on-Chronic Liver Failure validation cohort study

Time after recruitment	Hospitalisation follow-up							Post-discharge follow-up (ongoing)
Broad categories	Day 1	Day 4	Day 7	Day 14	Day 21	Day 28	Prior to death/LT*/discharge	Outpatient follow-up	Monthly telephone follow-up
Demographic data	√
Medical history	√							√	v
Basic and vital signs	√	√	√	√	√	√	√		t
Laboratory tests	√	√	√	√	√	√	√	√
Hepatitis virus tests	√
Optional laboratory tests	If necessary
Imaging examination	√
Organ failure assessment	√	√	√	√	√	√	√
Hospitalisation summary							√
Status/outcome							√	√	√