Table I.

Summary of the baseline characteristics of the two cohorts included in the further analysis of the microbiology

Characteristic	2013 to 2017 cohort	2001 to 2004 cohort
Patients, n
Total	253	176
Excluded	31	10
Included	222	166
Age
Mean age, yrs (sd; range)	51.3 (16.0; 17 to 88)	45.0 (16.5; 12 to 90)
Sex, n (%)
Male	166 (74.8)	121 (72.9)
Female	56 (25.2)	45 (21.1)
Growth of microorganisms, n (%)
Culture-negative osteomyelitis	72 (32.4)	47 (28.3)
Culture-positive osteomyelitis	150 (67.6)	119 (71.7)