Identification of risk factors for hospital admission using multiple-failure survival models: a toolkit for researchers

Table 1 Extracts from the HCS-HES database corresponding to participants with different patterns of follow-up

Extract 1: Dates of clinic visit, admission, discharge and death in the linked HCS-HES admissions file
ID	Gender	Clinic	Admission date	Discharge date	Date of death
1	Male	17-Sep-00	.	.	.
2	Female	14-Jan-00	.	.	23-Jun-07
3	Female	23-Feb-01	06-Mar-06	09-Mar-06	.
4	Male	20-May-01	08-Apr-03	27-Apr-03	.
4	Male	20-May-01	24-May-03	05-Jun-03	.
5	Female	18-Sep-00	28-Jan-04	15-Feb-04	01-Mar-05
5	Female	18-Sep-00	13-Jan-05	16-Jan-05	01-Mar-05

Information in the column 'Gender' is obtained from the HCS dataset. More information in the HCS dataset such as participants’ socio-demographic, lifestyle and clinical characteristics at baseline is also included in the linked HCS-HES admissions file