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Table 4 Sex and seasonal differences and interaction of sex with season in the plasma biochemistry of captive adult Mauremys mutica

From: Hematologic and plasma biochemical reference values of the yellow pond turtle Mauremys mutica and the effects of sex and season

    Seasonal differences    Sex differences   Sex × season
Analyte Springa Summera Falla Wintera F valueb p value Male Female F value p value F value p value
AST (U/l) H - - - 47.805 c ** H - 11.197 0.01 nsd nsd
LDH (IU/l) - - - - nsd nsd - H 6.556 0.01 nsd nsd
BUN (mg/dl) H - - - 42.358 ** - - nsd nsd nsd nsd
Calcium (mg/dl) H - - - 5.584 *** - H 18.037 0 nsd nsd
Phosphorus (mg/dl) - H - - 72.936 ** - - nsd nsd nsd nsd
CK (IU/l) - - - - nsd nsd H - 20.478 0 nsd nsd
Uric acid (mg/dl) - H - - 41.521 ** - H 7.878 0.005 nsd nsd
Creatinine (mg/dl) - H - - 41.603 ** - - nsd nsd nsd nsd
Glucose (mg/dl) H -   L 6.954 ** - - nsd nsd nsd nsd
Total protein (g/dl) H - L - 28.378 ** H - 7.791 0.006 nsd nsd
Triglyceride (mg/dl) H - - - 53.135 ** - H 28.053 0 nsd nsd
Cholesterol (mg/dl) H - - - 31.098 ** - H 12.034 0.01 nsd nsd
Sodium (mmol/l) - - L H 6.293 *** - - nsd nsd nsd nsd
Potassium (mmol/l) - H - - 59.339 ** - - nsd nsd nsd nsd
Chloride (mmol/l) - H - - 24.152 ** - - nsd nsd nsd nsd
  1. a Means significantly higher (H) or lower (L) than for the other sex or the other seasons. b Two-way ANOVA (p< 0.05). c nsd, no significant difference. * p< 0.05; ** p< 0.005; ***p< 0.001. Abbreviations of analytes are defined in the footnotes of Table 2.