Table 1: Mean semen parameter values during maca and placebo treatment (mean ± standard error; Kruskal-Wallis test).

Normal sperm morphology (%)Sperm concentration (×106 mL−1)Progressively motile sperm count (×106 mL−1)Motile sperm count (×106 mL−1)Total sperm count (×106)Semen volume (mL)

Maca0 weeks 1118.18 ± 1.6877.27 ± 6.7947.72 ± 4.3358.00 ± 5.40277.90 ± 31.183.66 ± 0.31
6 weeks 1122.22 ± 2.2286.11 ± 7.4851.66 ± 2.8863.22 ± 3.47241.11 ± 25.542.92 ± 0.33
12 weeks 1122.00 ± 2.0087.80 ± 9.8656.20 ± 7.1966.30 ± 8.36332.31 ± 58.983.99 ± 0.31
P value0.290.520.280.390.420.11
H3.251.312.561.891.754.46

Placebo0 weeks720.71 ± 1.70106.71 ± 15.5970.00 ± 12.5383.42 ± 13.73295.56 ± 69.5802.77 ± 0.53
6 weeks 723.33 ± 2.10100.00 ± 10.2460.00 ± 8.56071.66 ± 8.620395.16 ± 152.573.57 ± 1.01
12 weeks 717.85 ± 3.75100.28 ± 12.0465.71 ± 11.0974.85 ± 11.43355.28 ± 96.9403.44 ± 0.64
P value0.440.830.890.720.870.73
H0.230.380.230.670.270.63