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Fig. 4 | Trials

Fig. 4

From: Use of routinely collected health data in randomised clinical trials: comparison of trial-specific death data in the BOSS trial with NHS Digital data

Fig. 4

Time lag in death reporting by dataset. The time period of reporting a death is plotted against the year of death. With respect to the different data freezes, deaths were assigned to a right reporting period when the date of death actually lay between two dates of relevant data freezes. Deaths not within this period are marked as not lying inside the right reporting period

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Trials

ISSN: 1745-6215