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. 2009 Nov 19;7:128. doi: 10.1186/1477-7827-7-128

Table 3.

Correlation between leukocyte concentration in neat semen and sperm recovery rate (n = 69).

Total motile sperm recovery rate Progressive motile sperm recovery rate Viable sperm recovery rate
r p r P r p
DENSITY GRADIENT CENTRIFUGATION
Leukocyte Concentration (neat semen) 0.1348 NS 0.1286 NS 0.1478 NS
SWIM-UP
Leukocyte Concentration (neat semen) -0.1660 NS -0.0996 NS -0.0227 NS

r indicates the Spearman's correlation coefficient.