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Table 2 Incidence of index AOM visits by setting, age group, and year

From: Trends in healthcare utilization and costs associated with acute otitis media in the United States during 2008–2014

Rate of AOM cases per 1000 person-years (95% CI)
Age group Setting 2008 2009 2010 2011 2012 2013 2014 2008–2014 Mean (range)
Overall All 59.1 (59.0–59.2) 62.6 (62.5–62.7) 60.0 (60.0–60.1) 62.3 (62.2–62.4) 61.8 (61.7–61.8) 59.2 (59.1–59.2) 58.4 (58.3–58.5) 60.5 (58.4–62.6)
  Hospitalized 0.0 (0.0–0.0) 0.0 (0.0–0.0) 0.1 (0.1–0.1) 0.0 (0.0–0.0) 0.0 (0.0–0.0) 0.0 (0.0–0.0) 0.0 (0.0–0.0) 0.0 (0.0–0.1)
  ED/UC 3.7 (3.6–3.7) 3.7 (3.7–3.8) 3.9 (3.9–3.9) 4.5 (4.5–4.5) 5.1 (5.1–5.1) 5.7 (5.6–5.7) 6.3 (6.3–6.4) 4.7 (3.7–6.3)
  Outpatient 55.4 (55.3–55.5) 58.8 (58.7–58.9) 56.0 (56.0–56.1) 57.7 (57.7–57.8) 56.6 (56.6–56.7) 53.5 (53.4–53.5) 52.0 (52.0–52.1) 55.7 (52.0–58.8)
<  1 y All 499.4 (497.0–501.8) 502.3 (500.0–504.5) 486.7 (484.6–488.8) 475.4 (473.4–477.3) 476.5 (474.5–478.5) 448.3 (446.2–450.4) 431.8 (429.8–433.9) 474.3 (431.8–502.3)
  Hospitalized 0.4 (0.4–0.5) 0.4 (0.4–0.5) 1.2 (1.1–1.3) 0.5 (0.4–0.5) 0.5 (0.4–0.5) 0.4 (0.3–0.4) 0.4 (0.3–0.5) 0.5 (0.4–1.2)
  ED/UC 29.9 (29.3–30.5) 29.9 (29.4–30.5) 29.0 (28.5–29.5) 31.3 (30.8–31.8) 32.3 (31.8–32.9) 32.4 (31.8–32.9) 30.8 (30.3–31.4) 30.8 (29.0–32.4)
  Outpatient 469.0 (466.7–471.3) 471.9 (469.8–474.1) 456.5 (454.5–458.6) 443.7 (441.8–445.6) 443.7 (441.8–445.6) 415.6 (413.6–417.6) 400.6 (398.7–402.6) 443.0 (400.6–471.9)
1 y All 495.8 (493.4–498.1) 515.5 (513.3–517.7) 506.5 (504.4–508.6) 520.5 (518.5–522.5) 513.3 (511.3–515.3) 496.8 (494.6–499.0) 478.6 (476.5–480.7) 503.9 (478.6–520.5)
  Hospitalized 0.3 (0.2–0.3) 0.3 (0.3–0.4) 1.2 (1.1–1.3) 0.4 (0.3–0.4) 0.3 (0.2–0.3) 0.3 (0.3–0.4) 0.3 (0.3–0.4) 0.4 (0.3–1.2)
  ED/UC 34.9 (34.2–35.5) 35.7 (35.1–36.3) 35.6 (35.0–36.2) 39.6 (39.1–40.2) 40.3 (39.7–40.8) 42.5 (41.8–43.1) 43.1 (42.5–43.8) 38.8 (34.9–43.1)
  Outpatient 460.6 (458.4–462.9) 479.5 (477.4–481.6) 469.8 (467.7–471.8) 480.5 (478.6–482.5) 472.8 (470.8–474.7) 454.0 (451.9–456.1) 435.1 (433.1–437.1) 464.6 (435.1–480.5)
2–4 y All 309.2 (308.1–310.2) 325.1 (324.1–326.1) 313.0 (312.1–313.9) 328.3 (327.5–329.2) 323.7 (322.8–324.6) 314.9 (314.0–315.9) 299.8 (298.8–300.7) 316.3 (299.8–328.3)
  Hospitalized 0.1 (0.1–0.1) 0.1 (0.1–0.1) 0.5 (0.5–0.6) 0.2 (0.1–0.2) 0.2 (0.1–0.2) 0.2 (0.1–0.2) 0.2 (0.2–0.2) 0.2 (0.1–0.5)
  ED/UC 19.0 (18.8–19.3) 19.7 (19.5–20.0) 19.8 (19.6–20.0) 23.1 (22.8–23.3) 24.6 (24.4–24.8) 27.0 (26.7–27.3) 27.4 (27.1–27.7) 22.9 (19.0–27.4)
  Outpatient 290.0 (289.0–291.0) 305.2 (304.3–306.2) 292.7 (291.8–293.6) 305.1 (304.3–306.0) 298.9 (298.1–299.8) 287.7 (286.8–288.7) 272.2 (271.3–273.1) 293.1 (272.2–305.2)
5–17 y All 89.1 (88.8–89.3) 98.4 (98.2–98.6) 93.1 (92.8–93.3) 100.9 (100.7–101.1) 98.4 (98.2–98.6) 93.7 (93.5–94.0) 90.5 (90.3–90.7) 94.9 (89.1–100.9)
  Hospitalized 0.0 (0.0–0.0) 0.0 (0.0–0.0) 0.1 (0.1–0.1) 0.0 (0.0–0.0) 0.0 (0.0–0.0) 0.0 (0.0–0.0) 0.0 (0.0–0.0) 0.0 (0.0–0.1)
  ED/UC 5.3 (5.2–5.4) 5.8 (5.7–5.9) 6.0 (6.0–6.1) 7.3 (7.2–7.3) 8.0 (7.9–8.0) 8.9 (8.8–9.0) 9.7 (9.6–9.8) 7.3 (5.3–9.7)
  Outpatient 83.7 (83.5–84.0) 92.6 (92.3–92.8) 86.9 (86.7–87.1) 93.6 (93.4–93.8) 90.4 (90.2–90.6) 84.8 (84.6–85.1) 80.8 (80.6–81.0) 87.5 (80.8–93.6)
18–49 y All 30.4 (30.3–30.5) 33.2 (33.1–33.3) 32.1 (32.0–32.2) 33.7 (33.7–33.8) 33.9 (33.8–34.0) 33.5 (33.4–33.6) 34.5 (34.5–34.6) 33.1 (30.4–34.5)
  Hospitalized 0.0 (0.0–0.0) 0.0 (0.0–0.0) 0.0 (0.0–0.1) 0.0 (0.0–0.0) 0.0 (0.0–0.0) 0.0 (0.0–0.0) 0.0 (0.0–0.0) 0.0 (0.0–0.0)
  ED/UC 2.3 (2.2–2.3) 2.3 (2.3–2.3) 2.6 (2.5–2.6) 3.0 (3.0–3.0) 3.7 (3.6–3.7) 4.4 (4.3–4.4) 5.2 (5.2–5.2) 3.3 (2.3–5.2)
  Outpatient 28.1 (28.0–28.2) 30.9 (30.8–31.0) 29.5 (29.4–29.6) 30.7 (30.6–30.8) 30.2 (30.1–30.3) 29.1 (29.0–29.2) 29.3 (29.3–29.4) 29.7 (28.1–30.9)
50–64 y All 26.0 (25.9–26.1) 27.4 (27.3–27.5) 27.5 (27.4–27.6) 28.7 (28.6–28.8) 29.3 (29.2–29.4) 30.0 (29.9–30.1) 30.9 (30.8–31.0) 28.6 (26.0–30.9)
  Hospitalized 0.0 (0.0–0.0) 0.0 (0.0–0.0) 0.0 (0.0–0.0) 0.0 (0.0–0.0) 0.0 (0.0–0.0) 0.0 (0.0–0.0) 0.0 (0.0–0.0) 0.0 (0.0–0.0)
  ED/UC 1.0 (1.0–1.1) 1.0 (1.0–1.1) 1.2 (1.2–1.3) 1.5 (1.4–1.5) 1.9 (1.8–1.9) 2.3 (2.2–2.3) 2.8 (2.8–2.8) 1.7 (1.0–2.8)
  Outpatient 25.0 (24.9–25.1) 26.4 (26.3–26.5) 26.2 (26.1–26.3) 27.2 (27.1–27.3) 27.4 (27.3–27.5) 27.7 (27.6–27.8) 28.1 (28.0–28.2) 26.9 (25.0–28.1)
65–74 y All 19.5 (19.3–19.8) 21.6 (21.4–21.9) 22.7 (22.5–22.9) 23.7 (23.5–23.9) 25.0 (24.8–25.2) 26.5 (26.3–26.7) 26.9 (26.6–27.1) 23.7 (19.5–26.9)
  Hospitalized 0.1 (0.1–0.1) 0.1 (0.1–0.1) 0.1 (0.1–0.1) 0.1 (0.1–0.1) 0.1 (0.1–0.1) 0.1 (0.1–0.1) 0.1 (0.1–0.1) 0.1 (0.1–0.1)
  ED/UC 0.6 (0.6–0.7) 0.6 (0.6–0.7) 0.8 (0.8–0.8) 0.9 (0.9–1.0) 1.0 (0.9–1.0) 1.3 (1.3–1.4) 1.6 (1.5–1.7) 1.0 (0.6–1.6)
  Outpatient 18.8 (18.5–19.0) 20.9 (20.7–21.1) 21.8 (21.6–22.0) 22.7 (22.5–22.9) 23.9 (23.7–24.2) 25.1 (24.9–25.3) 25.2 (25.0–25.4) 22.6 (18.8–25.2)
75–84 y All 17.2 (16.9–17.4) 18.3 (18.0–18.6) 19.3 (19.1–19.6) 20.1 (19.9–20.4) 21.3 (21.0–21.5) 22.5 (22.2–22.7) 22.9 (22.6–23.2) 20.2 (17.2–22.9)
  Hospitalized 0.1 (0.1–0.1) 0.1 (0.1–0.1) 0.1 (0.1–0.1) 0.1 (0.1–0.1) 0.1 (0.1–0.1) 0.1 (0.1–0.1) 0.1 (0.1–0.1) 0.1 (0.1–0.1)
  ED/UC 0.5 (0.5–0.6) 0.5 (0.4–0.5) 0.6 (0.5–0.6) 0.7 (0.7–0.8) 0.7 (0.7–0.8) 0.9 (0.9–1.0) 1.1 (1.0–1.1) 0.7 (0.5–1.1)
  Outpatient 16.5 (16.3–16.8) 17.7 (17.4–18.0) 18.6 (18.4–18.9) 19.3 (19.1–19.6) 20.4 (20.2–20.7) 21.4 (21.1–21.7) 21.7 (21.4–22.0) 19.4 (16.5–21.7)
≥ 85 y All 13.9 (13.5–14.4) 14.1 (13.8–14.5) 15.6 (15.3–16.0) 16.2 (15.9–16.5) 17.1 (16.7–17.5) 17.6 (17.3–18.0) 17.9 (17.5–18.3) 16.1 (13.9–17.9)
  Hospitalized 0.2 (0.1–0.2) 0.1 (0.1–0.2) 0.2 (0.1–0.2) 0.1 (0.1–0.1) 0.1 (0.1–0.1) 0.1 (0.1–0.1) 0.1 (0.1–0.2) 0.1 (0.1–0.2)
  ED/UC 0.4 (0.3–0.5) 0.4 (0.3–0.4) 0.5 (0.4–0.6) 0.5 (0.4–0.6) 0.6 (0.5–0.6) 0.7 (0.6–0.7) 0.7 (0.6–0.8) 0.5 (0.4–0.7)
  Outpatient 13.4 (12.9–13.8) 13.6 (13.2–14.0) 15.0 (14.6–15.3) 15.6 (15.3–15.9) 16.4 (16.1–16.8) 16.9 (16.5–17.2) 17.1 (16.7–17.5) 15.4 (13.4–17.1)
  1. Abbreviations: ED emergency department; UC, urgent care