Table 2.
Descriptive statistics (mean ± SEM for seven experiments) of the three motile sperm subpopulations identified in this study.
| SP1 | SP2 | SP3 | |
|---|---|---|---|
| N | 10,254 | 7458 | 3078 |
| VCL (µm/s) | 63.27 ± 0.27 | 92.87 ± 0.41 | 4.52 ± 0.19 |
| VSL (µm/s) | 49.91 ± 0.25 | 42.84 ± 0.44 | 2.86 ± 0.05 |
| VAP (µm/s) | 56.27 ± 0.27 | 61.39 ± 0.43 | 2.33 ± 0.10 |
| LIN (%) | 75.60 ± 0.15 | 41.49 ± 0.31 | 3.54 ± 0.16 |
| STR (%) | 86.47 ± 0.12 | 60.92 ± 0.33 | 6.91 ± 0.32 |
| WOB (%) | 86.94 ± 0.10 | 62.78 ± 0.25 | 8.76 ± 0.37 |
| ALH (µm) | 1.90 ± 0.01 | 3.57 ± 0.01 | 0.26 ± 0.01 |
| BCF (Hz) | 8.08 ± 0.03 | 7.79 ± 0.04 | 0.56 ± 0.03 |
| DANCE (µm2/s) | 129.28 ± 0.79 | 357.99 ± 2.72 | 7.60 ± 0.35 |
| MAD (°) | 64.78 ± 0.39 | 107.85 ± 0.50 | 90.35 ± 0.73 |
VCL, curvilinear velocity; VSL, straight-line velocity; VAP, average path velocity; (VAP/VCL); LIN, linearity; STR, straightness; WOB, wobble; ALH, amplitude of lateral head displacement; BCF, beat-cross frequency; DANCE (VCL × ALH); MAD, mean angular displacement.