Project measure / variable:   Seburn2   stride_freq_F_M18

ID, description, units MPD:24841   stride_freq_F_M18   stride frequency, mean number of steps per second for front paws   [Hz]  at age 18mo  
Data set, strains Seburn2   inbred   3 strains     sex: both     age: 78wks
Procedure gait analysis
Ontology mappings

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  STRAIN COMPARISON PLOT
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Seburn2 - stride frequency, mean number of steps per second for front paws at age 18mo



  MEASURE SUMMARY
Measure Summary FemaleMale
Number of strains tested3 strains3 strains
Mean of the strain means3.46   Hz 3.29   Hz
Median of the strain means3.53   Hz 3.24   Hz
SD of the strain means± 0.277 ± 0.507
Coefficient of variation (CV)0.0802 0.154
Min–max range of strain means3.15   –   3.69   Hz 2.81   –   3.82   Hz
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 0.1757 0.1757 1.7932 0.1909
strain 2 4.105 2.0525 20.9453 < 0.0001
sex:strain 2 0.4001 0.2001 2.0415 0.1481
Residuals 29 2.8418 0.098


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 3.15 0.633   6 0.259 0.201 2.32, 4.0 -1.11
C57BL/10J m 2.81 0.212   7 0.0801 0.0755 2.56, 3.12 -0.95
DBA/2J f 3.53 0.173   5 0.0775 0.0491 3.25, 3.73 0.26
DBA/2J m 3.24 0.128   5 0.0572 0.0395 3.1, 3.42 -0.1
NON/ShiLtJ f 3.69 0.143   5 0.0639 0.0387 3.51, 3.9 0.84
NON/ShiLtJ m 3.82 0.223   7 0.0844 0.0584 3.47, 4.15 1.05


  LEAST SQUARES MEANS (MODEL-ADJUSTED)
Strain Sex Mean SEM UpperCL LowerCL
C57BL/10J f 3.1516666667 0.127798022 3.4130429695 2.8902903639
C57BL/10J m 2.8057142857 0.1183179775 3.0477017205 2.563726851
DBA/2J f 3.526 0.1399957189 3.8123233941 3.2396766059
DBA/2J m 3.24 0.1399957189 3.5263233941 2.9536766059
NON/ShiLtJ f 3.692 0.1399957189 3.9783233941 3.4056766059
NON/ShiLtJ m 3.8242857143 0.1183179775 4.066273149 3.5822982795


  LEAST SQUARES MEANS (MODEL-ADJUSTED), SEXES COMBINED
Strain Sex Mean SEM UpperCL LowerCL
C57BL/10J both 2.9786904762 0.0870796736 3.1567884059 2.8005925465
DBA/2J both 3.383 0.0989919222 3.5854612136 3.1805387864
NON/ShiLtJ both 3.7581428571 0.0916487113 3.9455855181 3.5707001962




GWAS analysis not available: At least 4 strains are required