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. 2021 Jul 1;18:E66. doi: 10.5888/pcd18.210123
Outcome Risk Ratio (95% CI)
Death
No conditions Reference
1 condition 1.53 (1.41–1.67)
2–5 conditions 2.55 (2.32–2.80)
6–10 conditions 3.29 (2.98–3.63)
>10 conditions 3.82 (3.45–4.23)
IMV
No conditions Reference
1 condition 1.57 (1.45–1.70)
2-5 conditions 2.91 (2.68–3.15)
6-10 conditions 4.10 (3.75–4.49)
>10 conditions 4.47 (4.07–4.90)
ICU admission
No conditions Reference
1 condition 1.32 (1.27–1.36)
2-5 conditions 1.60 (1.52–1.69)
6-10 conditions 1.84 (1.73–1.97)
>10 conditions 1.96 (1.82–2.11)