Project measure / variable:   Seburn2   stride_length_R_M18

ID, description, units MPD:24867   stride_length_R_M18   stride length, mean distance between consecutive rear paw contacts   [mm]  at age 18mo  
Data set, strains Seburn2   inbred   3 strains     sex: both     age: 78wks
Procedure gait analysis
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  STRAIN COMPARISON PLOT
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Seburn2 - stride length, mean distance between consecutive rear paw contacts at age 18mo



  MEASURE SUMMARY
Measure Summary FemaleMale
Number of strains tested3 strains3 strains
Mean of the strain means50.2   mm 53.1   mm
Median of the strain means51.2   mm 53.1   mm
SD of the strain means± 5.91 ± 8.15
Coefficient of variation (CV)0.118 0.154
Min–max range of strain means43.9   –   55.6   mm 44.9   –   61.2   mm
Mean sample size per strain5.3   mice 6.3   mice


  ANOVA, Q-Q NORMALITY ASSESSMENT
ANOVA summary      
FactorDFSum of squaresMean sum of squaresF valuep value (Pr>F)
sex 1 53.4036 53.4036 3.8865 0.0583
strain 2 1272.9528 636.4764 46.3197 < 0.0001
sex:strain 2 36.2036 18.1018 1.3174 0.2834
Residuals 29 398.4874 13.7409


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
C57BL/10J f 55.6 4.23   6 1.73 0.0761 48.4, 60.7 0.91
C57BL/10J m 61.2 5.03   7 1.9 0.0822 54.1, 66.7 1.0
DBA/2J f 51.2 1.74   5 0.779 0.034 48.8, 53.6 0.16
DBA/2J m 53.1 2.33   5 1.04 0.0438 51.0, 56.7 0.0
NON/ShiLtJ f 43.9 3.97   5 1.78 0.0905 40.0, 48.6 -1.07
NON/ShiLtJ m 44.9 3.18   7 1.2 0.0708 40.0, 47.9 -1.0


  LEAST SQUARES MEANS (MODEL-ADJUSTED)
Strain Sex Mean SEM UpperCL LowerCL
C57BL/10J f 55.6 1.5133266784 58.6951005808 52.5048994192
C57BL/10J m 61.1714285714 1.4010682564 64.0369349 58.3059222429
DBA/2J f 51.2 1.6577663172 54.5905128117 47.8094871883
DBA/2J m 53.12 1.6577663172 56.5105128117 49.7294871883
NON/ShiLtJ f 43.88 1.6577663172 47.2705128117 40.4894871883
NON/ShiLtJ m 44.8571428571 1.4010682564 47.7226491857 41.9916365286


  LEAST SQUARES MEANS (MODEL-ADJUSTED), SEXES COMBINED
Strain Sex Mean SEM UpperCL LowerCL
C57BL/10J both 58.3857142857 1.0311583165 60.4946698403 56.2767587312
DBA/2J both 52.16 1.1722178045 54.5574546009 49.7625453991
NON/ShiLtJ both 44.3685714286 1.0852628048 46.5881830864 42.1489597708




GWAS analysis not available: At least 4 strains are required