Skip to main content
. Author manuscript; available in PMC: 2009 Apr 24.
Published in final edited form as: Biostatistics. 2007 Oct 8;9(2):355–363. doi: 10.1093/biostatistics/kxm034

Table 3.

Rank regression analysis of the myeloma data

Covariate Estimate Normal Z
 Bernoulli Z
Standard error 95% interval Standard error 95% interval
Hemoglobin
 Log-rank 0.268 0.164 (−0.055, 0.587) 0.158 (−0.044, 0.576)
 Gehan 0.292 0.183 (−0.067, 0.651) 0.176 (−0.054, 0.638)
Blood urea nitrogen
 Log-rank −0.505 0.162 (−0.827, −0.191) 0.161 (−0.825, −0.193)
 Gehan −0.532 0.154 (−0.834, −0.230) 0.149 (−0.823, −0.241)