Project measure / variable:   Powell1   bacterial_load_wk8

ID, description, units MPD:62808   bacterial_load_wk8   oral cavity bacterial colony count (CFU/swab) post inoculation (x 103)   [n]  wk 8  
Neisseria musculi study
Data set, strains Powell1   inbred   3 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 8



  MEASURE SUMMARY
Measure Summary FemaleMale
Number of strains tested3 strains2 strains
Mean of the strain means14.087   n 14.71   n
Median of the strain means9.6456   n 14.71   n
SD of the strain means± 14.18 ± 4.9639
Coefficient of variation (CV)1.0066 0.3375
Min–max range of strain means2.6597   –   29.956   n 11.2   –   18.22   n
Mean sample size per strain27.7   mice 4.5   mice


  ANOVA, Q-Q NORMALITY ASSESSMENT
ANOVA summary      
FactorDFSum of squaresMean sum of squaresF valuep value (Pr>F)
sex 1 857.3908 857.3908 5.1323 0.0285
strain 1 447.3745 447.3745 2.678 0.1089
sex:strain 1 0.002 0.002 0.0 0.9973
Residuals 44 7350.4859 167.0565


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
A/J f 9.6456 13.061   9 4.3536 1.3541 -0.31
A/J m 18.22 16.385   5 7.3274 0.8993 1.3, 39.4 0.71
C57BL/6J f 2.6597 11.495   30 2.0988 4.3222 -0.81
C57BL/6J m 11.2 18.972   4 9.4858 1.6939 -0.71
CAST/EiJ f 29.956 126.2   44 19.027 4.2133 1.12


  LEAST SQUARES MEANS (MODEL-ADJUSTED)
Strain Sex Mean SEM UpperCL LowerCL
A/J f 9.6455555556 4.3083445926 18.328453547 0.9626575641
A/J m 18.22 5.7802508277 29.8693300903 6.5706699097
C57BL/6J f 2.6596666667 2.3597775189 7.4154857611 -2.0961524278
C57BL/6J m 11.2 6.4625168889 24.2243469872 -1.8243469872


  LEAST SQUARES MEANS (MODEL-ADJUSTED), SEXES COMBINED
Strain Sex Mean SEM UpperCL LowerCL
A/J both 13.9327777778 3.6046197012 21.1974114417 6.6681441139
C57BL/6J both 6.9298333333 3.4399372988 13.8625714234 -0.0029047567




GWAS analysis not available: At least 4 strains are required