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Table 2 Spearman correlation coefficients between three seminal proteins with any post-freezing sperm variables (correlation coefficients/probability value)
From: Relationship between HSP90a, NPC2 and L-PGDS proteins to boar semen freezability
| Time of incubation | Proteins | Membrane structural integrity | Membrane functional integrity | Acrosome integrity | Progressive motility | Total motility | Percentage of functionally competent sperm |
|---|---|---|---|---|---|---|---|
| 0 h | HSP90a | 0.51 0.08 | 0.21 0.50 | –0.15 0.62 | 0.28 0.36 | 0.22 0.48 | 0.08 0.79 |
| NPC2 19 kDa | –0.44 0.15 | 0.02 0.93 | 0.27 0.38 | –0.11 0.72 | –0.01 0.96 | 0.20 0.52 | |
| NPC2 16 kDa | –0.50 0.09 | 0.09 0.75 | 0.04 0.89 | –0.24 0.45 | 0.02 0.93 | 0.21 0.50 | |
| L-PGDS | –0.10 0.73 | 0.27 0.37 | –0.13 0.68 | –0.22 0.48 | –0.20 0.51 | –0.10 0.95 | |
| 3 h | HSP90a | –0.33 0.29 | 0.34 0.26 | –0.47 0.12 | –0.64 0.02 | –0.54 0.06 | –0.21 0.50 |
| NPC2 19 kDa | –0.16 0.59 | 0.05 0.86 | 0.01 0.96 | –0.10 0.74 | –0.12 0.69 | –0.10 0.75 | |
| NPC2 16 kDa | –0.14 0.66 | 0.39 0.19 | –0.18 0.55 | –0.26 0.40 | –0.07 0.81 | 0.15 0.64 | |
| L–PGDS | –0.05 0.87 | –0.42 0.16 | 0.43 0.15 | 0.04 0.89 | 0.29 0.34 | 0.31 0.32 |
