Research Article
Survival and Mortality in Hospitalized Children with COVID-19: A Referral Center Experience in Yazd, Iran
Table 4
Hazard ratio of characteristics of children with COVID-19 in Shahid Sadoughi Hospital in Yazd.
| Variables | Univariate | Multivariate | HR (95% CI) | value | HR, (95% CI) | value |
| Age | 1 month–1 year | 1.31 (0.42–4.08) | 0.63 | 0.00 | 0.98 | 1 year–5 years | 0.83 (0.29–2.39) | 0.73 | 0.73 (0.12–4.36) | 0.72 | 5 years–13 years | 0.40 (0.11–1.43) | 0.16 | 0.58 (0.08–4.22) | 0.59 | 13 years–18 years | — | — | — | — |
| Sex | Boys | — | 0.72 | — | 0.22 | Girls | 1.16 (0.52–2.58) | 0.43 (0.11–1.66) |
| History of hospitalization | No | — | 0.007 | — | 0.09 | Yes | 3.0 (1.35–6.7) | 3.63 (0.78–16.82) |
| Underlying diseases | No | — | 0.16 | | 0.29 | Yes | 1.78 (0.79–4.0) | 1.2 (0.55–7.3) |
| CT findings | Normal | — | 0.18 | | | Abnormal | 0.24 (0.03–1.88) | — |
| O2 saturation without support | ≥94% | — | 0.04 | — | 0.15 | <94% | 3.03 (1.05–8.73) | 2.85 (0.68–11.98) |
| Lymphs (%) | No | — | 0.08 | | 0.61 | Yes | 2.23 (0.9–5.5) | 0.7 (0.18–2.74) |
| AST (U/L) | 15–45 | — | 0.09 | | | >45 | 2.37 (0.86–6.52) | |
| CPK (U/L) | ≤200 | — | 0.07 | | | >200 | 3.62 (0.9–14.5) | |
| PICU admission | No | — | <0.001 | | | Yes | 27.24 (6.4–115.93) | |
| Intubation | No | — | <0.001 | | | Yes | 14.3 (6.04–33.86) |
| Ventilator support | No | | <0.001 | | | Yes | 16.08 (6.87–35.85) |
| Length of hospital stay (day) | ≤7 | — | — | — | — | 8–14 | 3.27 (1.33–8.0) | 0.01 | 0.37 (0.04–3.45) | 0.39 | ≥15 | 3.77 (1.21–11.7) | 0.02 | 1.68 (0.24–11.85) | 0.6 |
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