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. Author manuscript; available in PMC: 2019 Feb 11.

Published in final edited form as: J Emerg Med. 2018 Aug 28;55(5):693–701. doi: 10.1016/j.jemermed.2018.07.010

Table 1.

Summary of Patient Demographic Characteristics

Variable	POCUS (n = 232)	Non-POCUS (n = 95)	p-Value
Age (years)^*	7.8 (6.3)^*	7.5 (5.9)^*	0.766
Sex, male, n (%)	107(46.1)	45 (47.4)	0.837
Duration of symptoms (days)^†	3 (2–6)^†	3 (2–5)^†	0.246
Currently on antibiotics, n (%)	65 (28.0)	29 (30.5)	0.641
History of prior abscess, n (%)	67 (28.8)	29 (30.5)	0.750
Presence of comorbidity, n (%)
Diabetes	4(1.7)	2(2.1)	0.850
Obesity	9 (3.9)	3 (3.2)	0.709
Asthma	11 (4.7)	10 (10.5)	0.0649
Eczema	14 (6.0)	5 (5.3)	0.729
Homelessness	0 (0)	0 (0)	-
Sickle Cell disease	0 (0)	0 (0)	-
Immunosuppression	6 (2.6)	0 (0)	0.107
Others	22 (9.5)	7 (7.4)	0.481
Likelihood of drainable fluid (1–100)^*	62.5 (33.6)^*	50.7 (40.8)^*	0.0138

POCUS = point-of-care ultrasound.

^*

Mean (SD).

^†

Median (interquartile range).