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Table 2 Demographic characteristics of measles outbreak in Mongolia, March 2015–December 2016 (N = 53,737)

From: Epidemiological characteristics and trends of a Nationwide measles outbreak in Mongolia, 2015–2016

 

Total

Attack rate a

Hospitalized

Death

Death rate a

Vaccinated c

Nosocomial infection

N (%)

 

n (%) c

n (%)

 

n (%) d

n (%) d

Gender

 Male

26,853 (50.0)

182

8843 (32.9)

80 (57.1)

0.54

1773 (6.6)

572 (2.1)

 Female

26,884 (50.0)

177

8893 (33.1)

60 (42.9)

0.40

1699 (6.3)

530 (2.0)

Age

 0–8 months

8384 (15.6)

1278 b

4881 (58.2) e

105 (75.0) f

15.7 b

0 (0)

625 (7.5) g

 9–11 months

1769 (3.3)

966 (54.6) e

20 (14.3) f

313 (17.7)

151 (8.5) g

 1–4 years

3440 (6.4)

113

1385 (40.3)

9 (6.4)

0.29

897 (26.1)

110 (3.2)

 5–9 years

2265 (4.2)

76

665 (29.4)

0 (0.0)

0

489 (21.6)

11 (0.49)

 10–14 years

3323 (6.2)

153

531 (16.0)

0 (0.0)

0

546 (16.4)

7 (0.21)

 15–19 years

11,383 (21.2)

482

2402 (21.1)

1 (0.7)

0.042

583 (5.1)

28 (0.25)

 20–24 years

9763 (18.2)

379

2374 (24.3)

0 (0.0)

0

284 (2.9)

65 (0.67)

  ≥ 25 years

13,410 (25.0)

84

4532 (33.8)

5 (3.6)

0.031

360 (2.7)

105 (0.78)

All age

53,737 (100)

180

17,736 (33.0)

140 (100)

0.47

3472 (6.5)

1102 (2.1)

  1. aPer 10,000 population of corresponding gender or age group as of 31st December, 2015
  2. bRate in under-one children
  3. cVaccination of one or two doses
  4. dPercentage to total number of corresponding gender or age group
  5. e, f, gThe number of hospitalized cases, death cases, and nosocomial infection in under-one age were significantly higher than all the other age groups (P < 0.001). OR and 95% CI were 3.6 (3.5–3.8), 28.8 (17.0–48.8) and 10.8 (9.5–12.4), respectively