Table 2. Comparison of different ranges of sperm concentration obtained with Neubauer hemocytometer and Makler chamber measurements.
Sperm concentration range (106/ml) Sperm counting method n Mean (106/ml) SD
< 16 NH 56 6.44 4.54
MC 56 7.32 4.88
16 to 40 NH 54 26.9 6.78
MC 54 28.7 6.95
40 to 80 NH 48 59.5 11.4
MC 48 61.3 12.6
80 NH 54 138.5 55.1
MC 54 140.1 53.8

NH: Neubauer hemocytometer; MC: Makler chamber; n: number of samples; SD: standard deviation.