Table 1 Background data and the effect of various potential risk factors on death related to MERS-CoV infection in morbid cases in the world
Characteristic | Subgroup | Frequency (%) | Number of deaths (%) | Crude OR [95% CI] | Adjusted OR [95% CI] |
|---|---|---|---|---|---|
Age (year) | 10-19a | 8(3.5) | 1(1.4) | 1.00 | 1.00 |
20–29 | 18(7.9) | 3(4.3) | 0.7 [0.06, 8.15] | 0.7 [0.06, 8.47]c | |
30–39 | 30(13.1) | 4(5.7) | 0.9 [0.08, 9.68] | 0.9 [0.9, 10,24]c | |
40–49 | 30(13.1) | 3(4.3) | 1.2 [0.11, 14.33] | 1.3 [0.11, 14.79]c | |
50–59 | 54(23.6) | 20(28.6) | 0.2 [0.02, 2.12] | 0.2 [0.02, 2.31]c | |
60–69 | 42(18.3) | 13(18.6) | 0.3 [0.03, 2.86] | 0.3 [0.03, 3.10]c | |
70–79 | 36(15.7) | 20(28.6) | 0.1 [0.01, 1.02] | 0.1 [0.01, 1.07]c | |
80–89 | 11(4.8) | 6(8.6) | 0.1 [0.01, 1.32] | 0.1 [0.01, 1.35]c | |
Sex | Male | 171(74.7) | 55(78.6) | 0.7 [0.37, 1.43] | 0.7 [0.38, 1.59]d |
Female | 58(25.3) | 15(21.4) | |||
Health care worker | Yes | 25(10.9) | 0(41.7) | 0.6 [0.59, 0.72] | 0.6 [0.49, 0.88]e |
No | 204(89.1) | 70(34.3) | |||
Comorbiditiesb | Yes | 151(65.9) | 63(41.7) | 3.7 [1.58, 9.03] | 2.2 [1.16, 7.03]f |
No | 44(19.2) | 7(15.9) | |||
Not available | 34(14.8) | 0(0.0) | |||
Exposure to camels | Yes | 77(33.6) | 30(39.0) | 2.1 [0.76, 5.90] | 1.7 [.60, 5.05]f |
No | 26(11.4) | 6(23.1) | |||
Not available | 126(55.0) | 34(27.0) | |||
Camel milk consumption | Yes | 61(26.6) | 25(41.0) | 2.5 [0.90, 7.18] | 2.0 [.68, 6.14]f |
No | 28(12.2) | 6(21.4) | |||
Not available | 140(61.1) | 39(27.9) | |||
Exposure to MERS-CoV cases | Yes | 59(25.8) | 6(10.2) | 3.3 [1.95, 7.35] | 2.3 [1.35, 8.20]f |
No | 24(10.5) | 10(41.7) | |||
Not available | 146(63.8) | 54(37.0) |