Table 3. Number of samples positive for R. irregulare DAOM 197198, and the results of the Fisher’s Exact test for the effect of inoculation on the likelihood of detecting the isolate.

Note that Pre-inoculated samples were not available from the May 2013 samp.

	May 2013	October 2013	October 2014	October 2015	October 2016	October 2017
Positive samples	4 (10.5%)	8 (16%)	2 (3.8%)	10 (20.4%)	7 (13.7%)	4 (7.5%)
Positive samples which were inoculated	2 (50%)	5 (62.5%)	2 (100%)	4 (40%)	4 (57%)	3 (75%)
Pre-inoculated	n/a	0	0	1	0	1
Co-inoculated	0	1	0	0	1	0
Established	2	4	2	3	3	2
Total samples	38	50	53	49	51	53
P-value (Fisher’s Exact)	1	1	0.49	0.28	1	0.62
Median copy number	9.8	13.0	3.8	6.2	6.6	5
Mean copy number	22.5	1939.7	3.8	9.7	7.6	5
Range copy number	2.6-68	1.6-13440	1.6-6	2.4-126	2.8-10.8	2.4-8.8