. Author manuscript; available in PMC: 2012 Mar 1.

Published in final edited form as: Int J Radiat Oncol Biol Phys. 2010 Apr 17;79(3):800–807. doi: 10.1016/j.ijrobp.2009.11.010

Table 6.

Generalized linear model of hematologic nadirs as a function of dosimetric parameters in the combined cohort

	log (WBC Nadir) (k/μL)			log (ANC Nadir) (k/μL)			HGB Nadir (g/dL)
	β	95% CI	p	β	95% CI	p	β	95% CI	p
V₁₀	−0.022	−0.04, −0.003	0.025^*	−0.029	−0.05, −0.005	0.019^*	−0.054	−0.12, 0.01	0.094
V₂₀	−0.021	−0.03, −0.01	0.002^*	−0.027	−0.04, −0.01	0.001^*	−0.053	−0.10, −0.01	0.016^*
V₃₀	−0.011	−0.02, −0.0001	0.048^*	−0.014	−0.03, 0.001	0.034^*	−0.020	−0.06, 0.02	0.256
V₄₀	−0.008	−0.02, 0.003	0.143	−0.011	−0.02, 0.001	0.069	−0.007	−0.04, 0.03	0.689
Mean Dose	−0.350	−0.07, −003	0.033^*	−0.043	−0.08, −0.004	0.030^*	−0.069	−0.17, 0.03	0.189

CI: confidence interval; WBC: white blood cell count; ANC: absolute neutrophil count; HGB: hemoglobin; β: regression coefficient. Note: coefficients adjusted for effect of log(body mass index).

statistically significant