Project measure / variable:   Jaxpheno2   pct_brain16

ID, description, units MPD:22704   pct_brain16   brain weight as percentage of body weight   [%]  at age 16wks  
Data set, strains Jaxpheno2   inbred   9 strains     sex: both     age: 16wks
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  STRAIN COMPARISON PLOT
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Jaxpheno2 - brain weight as percentage of body weight at age 16wks



  MEASURE SUMMARY
Measure Summary FemaleMale
Number of strains tested9 strains9 strains
Mean of the strain means1.76   % 1.40   %
Median of the strain means1.85   % 1.38   %
SD of the strain means± 0.218 ± 0.149
Coefficient of variation (CV)0.124 0.106
Min–max range of strain means1.42   –   2.03   % 1.19   –   1.63   %
Mean sample size per strain7.1   mice 7.1   mice


  ANOVA, Q-Q NORMALITY ASSESSMENT
ANOVA summary      
FactorDFSum of squaresMean sum of squaresF valuep value (Pr>F)
sex 1 5.122 5.122 194.5742 < 0.0001
strain 8 3.426 0.4282 16.2683 < 0.0001
sex:strain 8 0.3097 0.0387 1.4705 0.1749
Residuals 121 3.1852 0.0263


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
B6D2F1/J f 1.51 0.154   4 0.0772 0.102 1.28, 1.6 -1.14
B6D2F1/J m 1.19 0.106   5 0.0475 0.0893 1.1, 1.34 -1.41
BALB/cByJ f 1.57 0.116   10 0.0367 0.0737 1.37, 1.7 -0.86
BALB/cByJ m 1.31 0.0881   10 0.0279 0.067 1.12, 1.43 -0.6
C3H/HeJ f 1.86 0.106   5 0.0476 0.0571 1.73, 2.0 0.47
C3H/HeJ m 1.5 0.209   5 0.0934 0.139 1.24, 1.82 0.68
C57BL/6J f 1.89 0.152   15 0.0392 0.0802 1.51, 2.1 0.61
C57BL/6J m 1.38 0.102   15 0.0262 0.0736 1.12, 1.48 -0.13
CBA/J f 1.7 0.214   10 0.0675 0.125 1.43, 2.21 -0.27
CBA/J m 1.33 0.15   10 0.0473 0.113 1.07, 1.59 -0.46
DBA/2J f 1.42 0.0801   5 0.0358 0.0563 1.32, 1.51 -1.55
DBA/2J m 1.23 0.0378   5 0.0169 0.0308 1.19, 1.28 -1.14
FVB/NJ f 1.85 0.115   5 0.0514 0.062 1.74, 2.01 0.42
FVB/NJ m 1.47 0.145   5 0.0649 0.0984 1.26, 1.63 0.48
NOD.CB17-Prkdcscid/J f 1.99 0.172   5 0.077 0.0865 1.72, 2.16 1.07
NOD.CB17-Prkdcscid/J m 1.55 0.075   5 0.0335 0.0483 1.43, 1.63 1.02
NOD/ShiLtJ f 2.03 0.354   10 0.112 0.174 1.59, 2.87 1.25
NOD/ShiLtJ m 1.63 0.125   10 0.0394 0.0766 1.37, 1.78 1.56


  LEAST SQUARES MEANS (MODEL-ADJUSTED)
Strain Sex Mean SEM UpperCL LowerCL
B6D2F1/J f 1.51 0.0811 1.6706 1.3494
B6D2F1/J m 1.19 0.0726 1.3337 1.0463
BALB/cByJ f 1.574 0.0513 1.6756 1.4724
BALB/cByJ m 1.314 0.0513 1.4156 1.2124
C3H/HeJ f 1.864 0.0726 2.0077 1.7203
C3H/HeJ m 1.498 0.0726 1.6417 1.3543
C57BL/6J f 1.8933 0.0419 1.9763 1.8104
C57BL/6J m 1.3807 0.0419 1.4636 1.2977
CBA/J f 1.702 0.0513 1.8036 1.6004
CBA/J m 1.328 0.0513 1.4296 1.2264
DBA/2J f 1.422 0.0726 1.5657 1.2783
DBA/2J m 1.226 0.0726 1.3697 1.0823
FVB/NJ f 1.854 0.0726 1.9977 1.7103
FVB/NJ m 1.474 0.0726 1.6177 1.3303
NOD.CB17-Prkdcscid/J f 1.992 0.0726 2.1357 1.8483
NOD.CB17-Prkdcscid/J m 1.552 0.0726 1.6957 1.4083
NOD/ShiLtJ f 2.032 0.0513 2.1336 1.9304
NOD/ShiLtJ m 1.626 0.0513 1.7276 1.5244


  LEAST SQUARES MEANS (MODEL-ADJUSTED), SEXES COMBINED
Strain Sex Mean SEM UpperCL LowerCL
B6D2F1/J both 1.35 0.0544 1.4577 1.2423
BALB/cByJ both 1.444 0.0363 1.5158 1.3722
C3H/HeJ both 1.681 0.0513 1.7826 1.5794
C57BL/6J both 1.637 0.0296 1.6956 1.5784
CBA/J both 1.515 0.0363 1.5868 1.4432
DBA/2J both 1.324 0.0513 1.4256 1.2224
FVB/NJ both 1.664 0.0513 1.7656 1.5624
NOD.CB17-Prkdcscid/J both 1.772 0.0513 1.8736 1.6704
NOD/ShiLtJ both 1.829 0.0363 1.9008 1.7572




  GWAS USING LINEAR MIXED MODELS