Table 1. Post-thaw Sperm Quality Parameters in Different Treatment Conditions (Mean±SD, n=40)
Parameter Control Curcumin (20μm) L-Carnitine (100μm) Combination (CUR + LC) p -value Significant differences (Tukey test)
Progressive motility (%) 15.70±2.36 25.20±2.63 20.83±2.97 26.23±2.25 < 0.001 Combination > Control, LC; Curcumin > Control
Viability (%) 20.28±2.70 29.35±2.88 22.63±2.88 28.83±2.34 < 0.001 Curcumin & Combination > Control, LC
Morphologically normal sperm (%) 7.15±0.03 7.16±0.03 7.15±0.03 7.16±0.02 0.64 n.s. (no significant difference)
MDA (nmol/mL) 9.63±0.03 7.26±0.03 8.11±0.02 6.54±0.03 < 0.001 All groups differ; Combination lowest
DNA fragmentation index (DFI, %) 31.00±2.49 24.38±2.12 28.60±2.27 21.80±2.93 < 0.001 Combination < Curcumin < Control < LC

Footnotes:
*Data are expressed as mean±standard deviation (SD).
†Statistical analysis performed using one-way ANOVA followed by Tukey’s post hoc test.
‡Significance threshold set at p<0.01. §n.s., not significant.