Figure 3.

Fitted interval-censored stage 1 survival models. For comparison purposes, the figure also superimposes a Kaplan-Meier survival curve (with Greenwood 95% confidence intervals) based on censoring progression events at the mid-point between the two visits between which the event is known to have occurred.

Checchi et al. BMC Infectious Diseases 2008 8:16   doi:10.1186/1471-2334-8-16
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