TABLE 2

Trends Over Time in Pediatric Patients With Abdominal Pain, 1998–2008

CategoryPediatric ED Visits for Abdominal Pain P
19981999200020012002200320042005200620072008
Presentation of abdominal pain among all pediatric ED visits5.6 (4.9–6.3)5.5 (4.7–6.3)6.1 (5.3–6.8)5.9 (5.4–6.4)5.8 (5.2–6.4)6.2 (5.5–6.9)6.1 (5.5–6.8)6.4 (5.7–7.0)5.9 (5.4–6.5)6.0 (5.3–6.7)6.4 (5.7–7.1).70
Imaging use
 CT0.9(0–1.9)1.5(0–3.3)6.0 (3.1–8.9)15.4 (11.5–19.4)13.1 (9.3–16.9)16.4 (11.8–20.9)15.4 (11.7–19.0)<.001
 CT or MRI1.0(0–2.0)1.5(0–3.3)6.0(3.1–8.9)7.4(4.6–10.2)4.3(2.1–6.4)9.2(6.2–12.2)11.2(7.5–15.0)15.4(11.5–19.4)13.2(9.5–17.016.6(12.1–21.1)15.4(11.7–19.0)<.001
 Ultrasound5.4 (2.4–8.4)8.6 (5.0–12.35.3 (2.6–8.0)5.6 (3.1–8.0)5.1 (2.8–7.5)9.8 (6.5–13.1)6.0 (3.6–8.5)8.7 (5.4–12.0)7.4 (4.5–10.4)7.4 (4.0–10.8)10.5 (6.7–14.4).11
 Plain radiograph20.2 (15.1–25.2)22.8 (16.3–29.3)25.3 (19.5–31.1)23.2 (18.8–27.6)19.1 (14.8–23.4)25.4 (21.2–29.6)26.3 (20.7–31.8)25.5 (19.4–31.6)25.9 (20.8–30.9)21.7 (17.0–26.4)21.9 (17.0–26.8).56
 Diagnosis of appendicitis4.7 (2.0–7.5)7.6 (3.0–12.2)4.1 (1.8–6.5)4.7 (2.9–6.6)2.0 (0.9–3.2)4.8 (2.7–6.8)4.4 (2.5–6.2)5.3 (2.6–8.0)4.1 (1.8–6.4)3.3 (1.4–5.1)4.7 (2.1–7.2).30
 Hospital admission9.8 (5.6–14.1)11.3 (6.7–15.9)11.7 (7.3–16.2)8.1 (5.4–10.7)7.0 (4.4–9.5)7.9 (4.9–10.9)8.2 (5.4–10.9)8.1 (4.4–11.7)5.8 (3.2–8.4)5.8 (3.2–8.4)6.8 (4.0–9.5).17
  • Data are presented as % (95% CI). —, data not collected.