Project measure / variable:   GMC13   QRS

ID, description, units MPD:56214   QRS   duration of QRS interval   [ms]  
Data set, strains GMC13   inbred   6 strains     sex: both     age: 14-15wks
Procedure ECG
Ontology mappings

  STRAIN COMPARISON PLOT
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GMC13 - duration of QRS interval



  MEASURE SUMMARY
Measure Summary FemaleMale
Number of strains tested6 strains6 strains
Mean of the strain means9.96   ms 9.96   ms
Median of the strain means9.88   ms 9.81   ms
SD of the strain means± 0.541 ± 0.748
Coefficient of variation (CV)0.0543 0.0751
Min–max range of strain means9.39   –   10.8   ms 9.28   –   11.2   ms
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 0.287 0.287 0.2051 0.6512
strain 5 48.3741 9.6748 6.9132 < 0.0001
sex:strain 5 10.2619 2.0524 1.4665 0.2034
Residuals 166 232.3124 1.3995


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 10.8 1.06   16 0.264 0.0977 9.0, 12.0 1.55
129S1/SvImJ m 10.3 1.62   16 0.404 0.157 7.0, 12.9 0.45
A/J f 9.5 1.21   16 0.302 0.127 7.0, 12.0 -0.85
A/J m 9.38 1.5   16 0.375 0.16 7.0, 12.0 -0.78
C57BL/6J f 9.39 0.763   16 0.191 0.0812 8.0, 10.8 -1.05
C57BL/6J m 9.28 0.817   16 0.204 0.0881 8.0, 10.1 -0.91
NOD/ShiLtJ f 9.67 1.07   12 0.31 0.111 8.0, 12.0 -0.54
NOD/ShiLtJ m 9.42 0.996   12 0.288 0.106 8.0, 11.0 -0.73
NZO/HlLtJ f 10.1 1.13   17 0.275 0.112 7.4, 12.0 0.26
NZO/HlLtJ m 11.2 1.33   11 0.4 0.119 9.0, 13.0 1.65
PWK/PhJ f 10.3 1.16   15 0.299 0.112 9.0, 12.0 0.63
PWK/PhJ m 10.2 1.24   15 0.32 0.122 8.3, 13.0 0.32


  LEAST SQUARES MEANS (MODEL-ADJUSTED)
Strain Sex Mean SEM UpperCL LowerCL
129S1/SvImJ f 10.8187 0.2957 11.4027 10.2348
129S1/SvImJ m 10.2875 0.2957 10.8714 9.7036
A/J f 9.5 0.2957 10.0839 8.9161
A/J m 9.375 0.2957 9.9589 8.7911
C57BL/6J f 9.3937 0.2957 9.9777 8.8098
C57BL/6J m 9.275 0.2957 9.8589 8.6911
NOD/ShiLtJ f 9.6667 0.3415 10.3409 8.9924
NOD/ShiLtJ m 9.4167 0.3415 10.0909 8.7424
NZO/HlLtJ f 10.1353 0.2869 10.7018 9.5688
NZO/HlLtJ m 11.1818 0.3567 11.886 10.4776
PWK/PhJ f 10.3067 0.3054 10.9097 9.7036
PWK/PhJ m 10.1667 0.3054 10.7697 9.5636


  LEAST SQUARES MEANS (MODEL-ADJUSTED), SEXES COMBINED
Strain Sex Mean SEM UpperCL LowerCL
129S1/SvImJ both 10.5531 0.2091 10.966 10.1402
A/J both 9.4375 0.2091 9.8504 9.0246
C57BL/6J both 9.3344 0.2091 9.7473 8.9215
NOD/ShiLtJ both 9.5417 0.2415 10.0184 9.0649
NZO/HlLtJ both 10.6586 0.2289 11.1104 10.2067
PWK/PhJ both 10.2367 0.216 10.6631 9.8102




GWAS analysis not available: At least 12 strains are required