Project measure / variable:   GMC13   R_amplitude

ID, description, units MPD:56232   R_amplitude   mean R amplitude, mean amplitude of signal measured from isoelectric line to peak of QRS   [mV]  
Data set, strains GMC13   inbred   6 strains     sex: both     age: 14-15wks
Procedure ECG
Ontology mappings

  STRAIN COMPARISON PLOT
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GMC13 - mean R amplitude, mean amplitude of signal measured from isoelectric line to peak of QRS



  MEASURE SUMMARY
Measure Summary FemaleMale
Number of strains tested6 strains6 strains
Mean of the strain means0.452   mV 0.405   mV
Median of the strain means0.350   mV 0.347   mV
SD of the strain means± 0.241 ± 0.201
Coefficient of variation (CV)0.533 0.496
Min–max range of strain means0.282   –   0.926   mV 0.144   –   0.698   mV
Mean sample size per strain15.3   mice 14.3   mice


  ANOVA, Q-Q NORMALITY ASSESSMENT
ANOVA summary      
FactorDFSum of squaresMean sum of squaresF valuep value (Pr>F)
sex 1 0.0577 0.0577 0.3797 0.5386
strain 5 6.05 1.21 7.9623 < 0.0001
sex:strain 5 0.4821 0.0964 0.6345 0.6736
Residuals 166 25.2264 0.152


Q-Q normality assessment based on residuals

  


  STRAIN MEANS (UNADJUSTED)
  
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Strain Sex Mean SD N mice SEM CV Min, Max Z score
129S1/SvImJ f 0.357 0.289   16 0.0721 0.809 0.02, 0.85 -0.4
129S1/SvImJ m 0.363 0.23   16 0.0575 0.633 0.04, 0.7 -0.21
A/J f 0.282 0.178   16 0.0444 0.63 0.06, 0.68 -0.71
A/J m 0.144 0.08   16 0.02 0.556 0.04, 0.28 -1.3
C57BL/6J f 0.329 0.222   16 0.0556 0.675 0.05, 0.77 -0.51
C57BL/6J m 0.312 0.216   16 0.0539 0.69 0.02, 0.71 -0.46
NOD/ShiLtJ f 0.926 1.11   12 0.319 1.19 0.11, 3.44 1.97
NOD/ShiLtJ m 0.698 0.511   12 0.147 0.732 0.13, 1.63 1.45
NZO/HlLtJ f 0.343 0.297   17 0.0719 0.865 0.08, 1.08 -0.45
NZO/HlLtJ m 0.331 0.183   11 0.0551 0.553 0.09, 0.68 -0.37
PWK/PhJ f 0.477 0.376   15 0.0971 0.789 0.06, 1.54 0.1
PWK/PhJ m 0.585 0.285   15 0.0735 0.486 0.16, 1.13 0.89


  LEAST SQUARES MEANS (MODEL-ADJUSTED)
Strain Sex Mean SEM UpperCL LowerCL
129S1/SvImJ f 0.3569 0.0975 0.5493 0.1645
129S1/SvImJ m 0.3631 0.0975 0.5555 0.1707
A/J f 0.2819 0.0975 0.4743 0.0895
A/J m 0.1438 0.0975 0.3362 -0.0487
C57BL/6J f 0.3294 0.0975 0.5218 0.137
C57BL/6J m 0.3125 0.0975 0.5049 0.1201
NOD/ShiLtJ f 0.9258 0.1125 1.148 0.7037
NOD/ShiLtJ m 0.6975 0.1125 0.9197 0.4753
NZO/HlLtJ f 0.3429 0.0945 0.5296 0.1563
NZO/HlLtJ m 0.3309 0.1175 0.563 0.0988
PWK/PhJ f 0.4767 0.1007 0.6754 0.2779
PWK/PhJ m 0.5853 0.1007 0.7841 0.3866


  LEAST SQUARES MEANS (MODEL-ADJUSTED), SEXES COMBINED
Strain Sex Mean SEM UpperCL LowerCL
129S1/SvImJ both 0.36 0.0689 0.4961 0.2239
A/J both 0.2128 0.0689 0.3489 0.0768
C57BL/6J both 0.3209 0.0689 0.457 0.1849
NOD/ShiLtJ both 0.8117 0.0796 0.9688 0.6546
NZO/HlLtJ both 0.3369 0.0754 0.4858 0.188
PWK/PhJ both 0.531 0.0712 0.6715 0.3905




GWAS analysis not available: At least 12 strains are required