Volume 21, Number 11—November 2015
Research
Association of Higher MERS-CoV Virus Load with Severe Disease and Death, Saudi Arabia, 2014
Table 2
Results of logistic regression for risk of death and severe outcome (death or ICU admission) for 102 patients with MERS-CoV infection, Kingdom of Saudi Arabia, 2014*
Outcome | Died, n = 41, vs. survived, n = 61 |
Severe, n = 48, vs. not severe, n = 54 |
|||
---|---|---|---|---|---|
Univariate OR (95% CI) | Multivariable OR (95% CI) | Univariate OR (95% CI) | Multivariable OR (95% CI) | ||
Virus load, 1 point decrease in Ct |
1.18 (1.06–1.33) |
1.17 (1.01–1.35) |
1.20 (1.06–1.35) |
1.16 (1.00–1.34) |
|
Age, y, grouped in quartiles | |||||
8–28, n = 23 | Referent | Referent | Referent | Referent | |
29–47, n = 21 | 2.67 (0.57–12.4) | 2.79 (0.49–15.8) | 4.10 (0.92–18.4) | 5.21 (0.88–30.9) | |
48–60, n = 27 | 5.33 (1.28–22.3) | 3.42 (0.68–17.1) | 8.33 (2.00–34.9) | 5.13 (0.98–27.0) | |
>60, n = 19 | 18.7 (3.82–91.2) | 11.7 (2.00–67.9) | 25.0 (4.85–129) | 14.0 (2.19–89.7) | |
Age missing, n = 12 |
6.67 (1.27–35.0) |
7.19 (1.17–44.1) |
9.33 (1.76–49.6) |
12.5 (1.80–86.3) |
|
Male sex, n = 76 |
2.20 (0.83–5.84) |
NA |
2.50 (0.97–6.44) |
NA |
|
Underlying illness | |||||
No, n = 16 | Referent | Referent | Referent | Referent | |
Yes, n = 52 | 6.93 (1.76–27.4) | 5.19 (1.08–25.0) | 8.14 (2.25–29.5) | 7.12 (1.55–32.7) | |
Unknown, n = 34 |
0.93 (0.20–4.3) |
1.43 (0.25–8.29) |
0.64 (0.15–2.70) |
0.97 (0.18–5.21) |
|
Week of specimen collection | |||||
March 26–April 7, n = 12 | Referent | NA | Referent | NA | |
April 8–21, n = 45 | 0.57 (0.16–2.07) | NA | 0.44 (0.12–1.66) | NA | |
April 22–May 5, n = 36 | 0.27 (0.07–1.07) | NA | 0.32 (0.08–1.26) | NA | |
May 6–16, n = 9 | 0.57 (0.10–3.3) | NA | 0.63 (0.11–3.7) | NA |
*ORs for Ct for upE target are the odds of having outcome for each 1 point decrease in Ct. Ct, cycle threshold; ICU, intensive care unit; MERS-CoV, Middle East respiratory syndrome coronavirus; NA, not included in multivariate model; OR, odds ratio.