Corrections
The logrank test
BMJ 2004; 328 doi: https://doi.org/10.1136/bmj.328.7453.1412 (Published 10 June 2004) Cite this as: BMJ 2004;328:1412
An error in this Statistics Notes article by J Martin Bland and Douglas G Altman persisted to publication (1 May, p 1073). The third sentence—relating to the values in a table of survival times—should have ended: “but is this sufficient to conclude that in the population, patients with anaplastic astrocytoma have better [not ‘worse’] survival than patients with glioblastoma?”