Table 1.

Mean (standard error) and median (minimum, maximum) quantitative culture values corresponding to occasional, light, moderate, or heavy categories of semi-quantitative culture. Values reflect all data points (n = 1053; no outlier rejection).

Semi-Quantitative Culture Categories	Quantitative Culture Values
	Mean (SE)	Median (Range)
Occasional	4.9 × 104 CFU/g (3.1 × 104 CFU/g)	6.6 × 103 CFU/g (3.1 × 102 CFU/g–7.3 × 106 CFU/g)
Light	2.5 × 105 CFU/g (6.3 × 104 CFU/g)	8.6 × 104 CFU/g (3.0 × 103–1.4 × 107 CFU/g)
Moderate	5.4 × 106 CFU/g (6.1 × 105 CFU/g)	1.6 × 106 CFU/g (1.6 × 104–7.3 × 107 CFU/g)
Heavy	1.4 × 108 CFU/g (2.9 × 107 CFU/g)	3.5 × 107 CFU/g (2.9 × 104–7.0 × 109 CFU/g)