Project measure / variable:   Powell1   bacterial_load_wk7

ID, description, units MPD:62807   bacterial_load_wk7   oral cavity bacterial colony count (CFU/swab) post inoculation (x 103)   [n]  wk 7  
Neisseria musculi study
Data set, strains Powell1   inbred   4 strains     sex: both     age: 8-16wks
Procedure in vitro assay
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  STRAIN COMPARISON PLOT
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Powell1 - oral cavity bacterial colony count (CFU/swab) post inoculation (x 103) wk 7



  MEASURE SUMMARY
Measure Summary FemaleMale
Number of strains tested4 strains3 strains
Mean of the strain means22.974   n 6.3317   n
Median of the strain means4.8788   n 0.675   n
SD of the strain means± 39.547 ± 10.388
Coefficient of variation (CV)1.7214 1.6406
Min–max range of strain means0.0   –   82.14   n 0.0   –   18.32   n
Mean sample size per strain26.5   mice 3.7   mice


  ANOVA, Q-Q NORMALITY ASSESSMENT
ANOVA summary      
FactorDFSum of squaresMean sum of squaresF valuep value (Pr>F)
sex 1 241.7648 241.7648 2.7328 0.1038
strain 2 697.0566 348.5283 3.9397 0.025
sex:strain 2 326.1425 163.0713 1.8433 0.1676
Residuals 57 5042.5797 88.4663


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 0.0 0.0   2   0.0 None -0.58
129S1/SvImJ m 0.0 0.0   2   0.0 None -0.61
A/J f 6.9567 10.839   9 3.613 1.5581 -0.41
A/J m 18.32 11.214   5 5.0149 0.6121 2.6, 34.1 1.15
C57BL/6J f 2.801 9.4814   41 1.4808 3.385 -0.51
C57BL/6J m 0.675 1.1288   4 0.56439 1.6723 -0.54
CAST/EiJ f 82.14 402.0   54 54.71 4.8945 1.5


  LEAST SQUARES MEANS (MODEL-ADJUSTED)
Strain Sex Mean SEM UpperCL LowerCL
129S1/SvImJ f 0.0 6.6508 13.318 -13.318
129S1/SvImJ m 0.0 6.6508 13.318 -13.318
A/J f 6.9567 3.1352 13.2348 0.6785
A/J m 18.32 4.2063 26.743 9.897
C57BL/6J f 2.801 1.4689 5.7424 -0.1405
C57BL/6J m 0.675 4.7028 10.0922 -8.7422


  LEAST SQUARES MEANS (MODEL-ADJUSTED), SEXES COMBINED
Strain Sex Mean SEM UpperCL LowerCL
129S1/SvImJ both 0.0 4.7028 9.4172 -9.4172
A/J both 12.6383 2.6231 17.891 7.3856
C57BL/6J both 1.738 2.4634 6.671 -3.195




  GWAS USING LINEAR MIXED MODELS