Table 2.
Demographic characteristics of measles outbreak in Mongolia, March 2015–December 2016 (N = 53,737)
| 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) |
aPer 10,000 population of corresponding gender or age group as of 31st December, 2015
bRate in under-one children
cVaccination of one or two doses
dPercentage to total number of corresponding gender or age group
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