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Table 4 Viral and bacterial infection status and in-hospital mortality among pneumonia patients by age group
| Total, n = 2617 | 15–64 y, n = 580 | 65–74 y, n = 447 | 75–84 y, n = 848 | 85 y+, n = 742 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| No. death/no. cases (% mortality) | ARRa (95% CI) | No. death/no. cases (% mortality) | ARRa (95% CI) | No. death/no. cases (% mortality) | ARRa (95% CI) | No. death/no. cases (% mortality) | ARRa (95% CI) | No. death/no. cases (% mortality) | ARRa (95% CI) | |
| HRV | 14/234 (6.0) | 0.86 (0.51–1.45) | 2/63 (3.2) | 1.60 (0.38–6.65) | 3/37 (8.1) | 1.16 (0.38–3.59) | 3/66 (4.6) | 0.55 (0.17–1.74) | 6/68 (8.8) | 0.87 (0.40–1.93) |
| Inf A/B | 10/110 (9.1) | 1.13 (0.60–2.13) | 1/25 (4.0) | 1.74 (0.17–17.74) | 1/15 (6.7) | 1.03 (0.12–8.86) | 3/31 (9.7) | 0.93 (0.29–2.99) | 5/39 (12.8) | 1.44 (0.58–3.61) |
| Paramyxovirus (RSV/hMPV/PIV1–4) | 5/212 (2.4) | 0.29 (0.12–0.71) | 0/35 (0.0) | 0.00 (0.00–0.00) | 1/40 (2.5) | 0.41 (0.06–3.01) | 3/70 (4.3) | 0.44 (0.14–1.39) | 1/67 (1.5) | 0.15 (0.02–1.05) |
| Other viruses (HAdV/HBoV/HCoV) | 2/18 (11.1) | 1.62 (0.42–6.18) | 1/6 (16.7) | 4.30 (0.63–29.53) | 0/3 (0.0) | 0.00 (0.00–0.00) | 1/7 (14.3) | 1.66 (0.26–10.64) | 0/2 (0.0) | 0.00 (0.00–0.00) |
| Multiple viruses | 4/31 (12.9) | 1.69 (0.67–4.27) | 0/8 (0.0) | 0.00 (0.00–0.00) | 1/7 (14.3) | 2.63 (0.37–18.75) | 0/6 (0.0) | 0.00 (0.00–0.00) | 3/10 (30.0) | 2.72 (0.88–8.46) |
| No virus | 158/2012 (7.9) | Reference | 15/443 (3.4) | Reference | 25/345 (7.3) | Reference | 62/668 (9.3) | Reference | 56/556 (10.1) | Reference |
| ARRb(95% CI) | ARRb(95% CI) | ARRb(95% CI) | ARRb(95% CI) | ARRb(95% CI) | ||||||
| Only viruses | 19/359 (5.3) | 0.66 (0.41–1.07) | 2/71 (2.8) | 0.96 (0.18–5.02) | 1/56 (1.8) | 0.27 (0.03–2.20) | 7/111 (6.3) | 0.70 (0.32–1.56) | 9/121 (7.4) | 0.68 (0.34–1.39) |
| Only bacterial pathogens | 51/746 (6.8) | 0.90 (0.65–1.25) | 5/199 (2.5) | 0.82 (0.28–2.42) | 10/148 (6.8) | 1.02 (0.48–2.17) | 21/219 (9.6) | 1.05 (0.64–1.74) | 15/180 (8.3) | 0.76 (0.43–1.35) |
| Viral-bacterial co-infection | 16/246 (6.5) | 0.85 (0.51–1.41) | 2/66 (3.0) | 1.31 (0.25–6.80) | 5/46 (10.9) | 1.75 (0.67–4.60) | 3/69 (4.4) | 0.46 (0.14–1.49) | 6/65 (9.2) | 0.85 (0.37–1.94) |
| No viral or bacterial pathogens | 107/1266 (8.5) | Reference | 10/244 (4.1) | Reference | 15/197 (7.6) | Reference | 41/449 (9.1) | Reference | 41/376 (10.9) | Reference |
