Table 2. Incidence of community-onset bloodstream infections according to acquisition site and seasonal changes

Ann Clin Microbiol 2020;23:33-43. Season and Temperature Effects on Bloodstream Infection Incidence in a Korean Tertiary Referral Hospital

Etiologic agents	Community-onset (cases per 105 patient days)						P
	Warm months			Cold months
	M	95% CI	IQR	M	95% CI	IQR
S. aureus	17.88	16.16-20.01	13.96-20.92	16.80	15.63-19.17	15.25-20.37	0.6769
Enterococcus spp.	0.98	0.61-1.25	0.51-1.48	0.87	0.66-1.12	0.60-1.26	0.6871
E. coli	60.40	54.90-77.60	53.10-81.30	52.70	47.80-55.80	41.10-61.50	0.0044
K. pneumoniae	28.20	25.00-32.50	20.90-33.70	22.50	20.10-26.10	17.00-27.90	0.0518
Acinetobacter spp.	3.34	1.74-4.01	1.68-5.07	1.68	0.00-3.38	0.00-3.84	0.0672
P. aeruginosa	0.35	0.19-0.70	0.17-0.85	0.40	0.33-0.69	0.31-0.78	0.5976

Abbreviation: M, median; CI, confidence interval; IQR, interquartile range.