Microbiology-PTM-OMA_Modules_1-5

Data Table – Quantitative Method MLV

Table 2. Interlaboratory study result summary and statistics

Candidate Method

Reference Method

Mean Log 10  CFU/g

Mean

Matrix

Material 

DOM b

95% CI c

N a

s R

N

s r

s R

s r

Log 10

CFU/g

1

11 0.000 0.00 0.00 11 0.000 0.00 0.00

0.00

(0.00, 0.00)

Powdered  Infant  Formula with  Probiotics 24 h Inc. Powdered  Infant  Formula with  Probiotics 48 h Inc.

2

11 0.890 0.33 0.45 11 1.051 0.18 0.39

‐0.16

(‐0.31, ‐0.01)

3

11 2.453 0.20 0.26 11 2.305 0.27 0.27

0.15

(0.05, 0.25)

4

11 3.388 0.12 0.18 11 3.211 0.10 0.20

0.18

(0.11, 0.25)

1

11 0.000 0.00 0.00 11 0.000 0.00 0.00

0.00

(0.00, 0.00)

2

11 0.903 0.34 0.45 11 1.051 0.18 0.39

‐0.15

(‐0.31, 0.1)

3

11 2.467 0.25 0.25 11 2.305 0.27 0.27

0.16

(0.06, 0.26)

4

11 3.395 0.11 0.17 11 3.211 0.10 0.20

0.18

(0.12, 0.25)

a N = Number of collaborators that reported complete results b DOM = Difference of means c CI = Confidence interval