Table 3.

Indoor and outdoor fungal spore concentrations in New Orleans and Southern Ohio, and indoor airborne (1→3)-β-D-glucan concentration in each size fraction.

	Total fungal spore concentration (spore m−3). (Button Sampler)					Indoor (1→3)-β-D-glucan concentration (pg m−3) (Data obtained with the Fragment Sampling System)
	Indoor		Outdoor	Indoor/Outdoor ratio		Total (1→3)-β-D-glucan		Fragment fraction		Spore fraction		F/S ratio
Summer
New Orleans	14,942.9 (1,674 – 101,086) n=9	]*	3,837.0 (1,121 – 8,445) n=3	3.89 (1.35 – 9.42)		1,460.7 (6,661 – 15,854) n=9	]***	192.7 (106 – 87)	]**	9,020. 8 (6,080 – 12,894)	]***	0.021 (0.011 – 0.034)	]*
S. Ohio	3,234.2 (461 – 10,766) n=6		2,546.3 (1,614 – 3,740) n=3	1.04 (0.79 – 3.61)		232.5 (192 – 272) n=6		59.6 (18 – 151)		123.3 (89 – 185)		0.483 (0.148 – 1.484)
Winter
New Orleans	7,182.8 (5,920 – 8,074) n=3	]**	1,702.1 (1,346 – 2,513) n=2	4.30 (3.21 – 5.76)		1,241.1 (707 – 2,097) n=3		520.5 (405 – 652)		615.8 (251 – 1,358)		0.845 (0.480 – 1.614)
S. Ohio	940.5 (538 – 1,436) n=3		1,365.7 (1,076 – 1,733) n=2	0.71 (0.62 – 0.82)		1,128.2 (1,002 – 1,219) n=3		338.0 (104 – 722) 247.0		525.0		0.644 (0.132 – 2.163)
New Orleans alla	12,442.3 (1,674 – 101,086) n=12	]*	2,771.9 (1,121 – 8,445) n=5	4.05 (1.35 – 9.42)	]*	6,574.5 (707 – 15,854) n=12	]***	247.0 (106 – 652)		4,610.9 (251 – 12,894)	]***	0.054 (0.011 – 1.614)	]*
S. Ohio all	2,142.7 (461 – 10,766) n=9		1,984.7 (1,076 – 3,740) n=5	0.90 (0.62 – 3.61)		393.6 (192 – 1,219) n=9		106.3 (18 – 722)		199.8 (89 – 792)		0.532 (0.148 – 2.163)

Values present geometric mean (range).

Asterisks present statistical significance (

^*:P<0.05;

^**: P<0.01;

^***P<0.001), and n is the total number of samples.

^aNew Orleans all (or S. Ohio all) include data both in summer and winter.