TABLE 4.

Characteristics of adult Revised ED Sepsis visits, 2009–2011.

Characteristic	Revised ED Sepsis Annual N= 847,868 % (95% CI)
Age
18–24 years	5.8 (3.9–8.5)
25–44	10.3 (7.8–13.6)
45–64	31.2 (26.5–36.4)
65–74	17.8 (13.9–22.4)
≥75	35.0 (30.0–40.2)
Sex
Male	44.7 (40.2–49.3)
Female	55.3 (50.7–59.9)
Race
White	79.6 (74.5–84.0)
Black	17.2 (13.2–22.0)
Other	3.2 (1.8–5.7)*
Ethnicity
Hispanic	6.9 (4.9–9.7)
Non-Hispanic	93.1 (90.3–95.1)
Arrival by EMS
Yes	57.0 (51.8–62.0)
No	38.6 (33.7–43.8)
Unknown	4.4 (2.3–8.3)*
Hospital Geographic Region
Northeast	18.4 (12.2–26.7)
Midwest	23.7 (16.8–32.2)
South	38.4 (29.9–47.7)
West	19.6 (13.5–27.5)
Patient Residence Population Setting
Metropolitan Statistical Area (MSA)	81.6 (70.0–89.3)
Non-MSA	18.4 (10.7–30.0)
Arrival Time
Day (0700–1459)	48.7 (43.8–53.6)
Evening (1500–2259)	35.2 (30.4–40.3)
Night (2300–0659)	16.1 (13.3–19.5)
Patient Seen in ED in Last 72 Hours
Yes	4.3 (2.6–6.9)
No	80.9 (74.4–86.0)
Unknown	14.9 (10.1–21.3)
Prior Medical History
Stroke	11.0 (7.8–15.2)
Congestive Heart Failure	17.1 (13.5–21.3)
Dialysis	6.2 (3.7–10.0)
HIV	1.3 (0.5–3.4)*
Diabetes	23.6 (19.4–28.4)
Triage Pulse
0–40 bpm	0.2 (0.1–0.7)*
41–80	31.2 (26.7–36.0)
81–120	52.0 (47.0–57.0)
≥120	13.9 (11.1–17.1)
Unknown	2.8 (1.6–4.8)*
Triage Respiratory Rate
0–6 breaths/min	0.4 (0.1–1.3)*
7–12	3.4 (2.0–5.6)*
13–20	48.7 (43.5–54.0)
21–30	37.9 (32.9–43.1)
>30	5.9 (4.2–8.2)
Unknown	3.8 (2.4–5.9)*
Triage Systolic Blood Pressure
0–80 mmHg	10.3 (8.0–13.2)
81–100	42.9 (37.6–48.3)
101–120	15.0 (11.3–19.7)
≥120	29.6 (25.0–34.6)
Unknown	2.2 (1.1–4.3)*
Length of ED Stay
0–2 hours	13.0 (10.2–16.5)
>2–4	31.8 (26.7–37.4)
>4–8	41.6 (36.5–46.9)
>8	10.6 (7.7–14.3)
Unknown	3.1 (1.7–5.4)*

^*Estimates based upon <30 raw observations.

ED = Emergency Department.