Table 6.

The use of inverse probability of censoring weights when assessing 12-month vital status of patients with stroke being discharged from clinics

Severity of disease or risk category for death	Number of patients leaving the clinic	Patients with available follow-up information	Deaths recorded at follow-up	Per cent dead at follow-up	Probability of having a follow-up (%)	Inverse of the probability of having a follow-up
Low	400	360	72	20	90.0	1.11
High	600	300	150	50	50.0	2.00
Total	1000	660	222	34