Table 5.

Factors contributing to MPO levels

Independent variable	B	SE	β	t	p
1. Age (years)	0.525	0.488	0.172	10.74	0.289
2. Hemodialysis vintage (months)	1.470	0.728	0.311	2.019	0.045*
3. Neutrophils (×1,000/μl)	−4.030	2.959	−0.216	1.362	0.181
4. WBC (×1,000/μl)	−3.938	2.834	−0.220	−1.389	0.173

* Pre-dialysis plasma MPO as a dependent variable

Hemodialysis vintage: duration of hemodialysis, B: unstandardized coefficient

SE standard error, β standard coefficient