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