Table 5.

Comparison of the average (AVG) concentration, as cell equivalents (CE) per mg of dust, of the 36 Environmental Relative Moldiness Index mold populations in the residences in Mecca and Coachella, California.

	Mecca AVG CE/mg dust	Coachella AVG CE/mg dust	Wilcoxon p value∗
Group 1 molds
Aspergillus flavus	1221	29	0.55
Aspergillus fumigatus	361	36	0.57
Aspergillus niger	1668	964	0.005
Aspergillus ochraceus	229	12	<0.001
Aspergillus penicillioides	44	25	0.18
Aspergillus restrictus	3	2	0.42
Aspergillus sclerotiorum	0	0	0.38
Aspergillus sydowii	22027	20	<0.001
Aspergillus unguis	555	10	0.19
Aspergillus versicolor	748	8	<0.001
Aureobasidium pullulans	126	133	0.72
Chaetomium globosum	4	2	0.96
Cladosporium sphaerospermum	113	26	0.47
Eurotium amstelodami	2347	187	0.001
Paecilomyces variotii	74	15	0.002
Penicillium brevicompactum	11	9	0.11
Penicillium corylophilum	17	165	0.92
Penicillium crustosum	154	7	0.13
Penicillium purpurogenum	5	6	0.92
Penicillium spinulosum	0	0	0.92
Penicillium variabile	17	7	0.85
Scopulariopsis brevicaulis	279	3	0.11
Scopulariopsis chartarum	193	9	0.11
Stachybotrys chartarum	123	4	<0.001
Trichoderma viride	0	5	0.9
Wallemia sebi	90	55	0.02
Group 2 molds
Acremonium strictum	1	1	0.9
Alternaria alternata	2576	79	0.009
Aspergillus ustus	1719	6	0.24
Cladosporium cladosporioides 1	82	98	0.94
Cladosporium cladosporioides 2	123	60	0.52
Cladosporium herbarum	155	209	0.16
Epicoccum nigrum	85	115	0.46
Mucor group	48	22	0.12
Penicillium chrysogenum 2	6057	25	0.11
Rhizopus stolonifer	71	22	0.26

^∗The statistical analysis of the differences in concentrations of 36 individual mold species was evaluated by the Mann–Whitney rank sum test. These differences were then corrected for multiple comparisons using the Holms–Bonferroni test. Only molds bolded were significantly different.