Table 1.

Clinical characteristics of the study population. Values are represented as mean ± SD or as n of participants.

	Athletes (n = 27)	Controls (n = 27)
Age	27.1 ± 5.1	27.4 ± 5.6
Male/Female	14/13 (52/48%)	14/13 (52/48%)
BMI	22.05 ± 1.8	24.0 ± 3.5
Exercise load, h/week	15 ± 2	4 ± 1
Used oral antibiotics during previous 6 weeks	2	1

BMI = Body mass index.