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. 2021 May;8(5):416–427. doi: 10.1016/S2215-0366(21)00084-5

Table 4.

HRs for the major outcomes in patients without hospitalisation after COVID-19 compared with those after influenza or other RTIs

COVID-19 vs influenza in patients without hospitalisation (N=96 803)*
COVID-19 vs other RTI in patients without hospitalisation (N=183 731)*
HR (95% CI) p value HR (95% CI) p value
Intracranial haemorrhage (any) 1·87 (1·25–2·78) 0·0013 1·38 (1·11–1·73) 0·0034
Intracranial haemorrhage (first) 1·66 (0·88–3·14) 0·082 1·63 (1·11–2·40) 0·010
Ischaemic stroke (any) 1·80 (1·54–2·10) <0·0001 1·61 (1·45–1·78) <0·0001
Ischaemic stroke (first) 1·71 (1·26–2·33) 0·0003 1·69 (1·38–2·08) <0·0001
Parkinsonism 2·22 (0·98–5·06) 0·028 1·20 (0·73–1·96) 0·42
Guillain-Barré syndrome 0·90 (0·44–1·84) 0·99 1·44 (0·85–2·45) 0·10
Nerve, nerve root, or plexus disorders 1·69 (1·53–1·88) <0·0001 1·23 (1·15–1·33) <0·0001
Myoneural junction or muscle disease 3·46 (2·11–5·67) <0·0001 2·69 (1·91–3·79) <0·0001
Encephalitis 1·77 (0·86–3·66) 0·095 2·29 (1·28–4·10) 0·0046
Dementia 1·88 (1·27–2·77) 0·0008 1·95 (1·55–2·45) <0·0001
Mood, anxiety, or psychotic disorder (any) 1·49 (1·45–1·54) <0·0001 1·18 (1·15–1·21) <0·0001
Mood, anxiety, or psychotic disorder (first) 1·85 (1·72–1·99) <0·0001 1·40 (1·32–1·48) <0·0001
Mood disorder (any) 1·49 (1·43–1·55) <0·0001 1·22 (1·19–1·26) <0·0001
Mood disorder (first) 1·78 (1·61–1·96) <0·0001 1·37 (1·27–1·47) <0·0001
Anxiety disorder (any) 1·48 (1·43–1·54) <0·0001 1·16 (1·13–1·19) <0·0001
Anxiety disorder (first) 1·80 (1·67–1·94) <0·0001 1·37 (1·30–1·45) <0·0001
Psychotic disorder (any) 1·93 (1·63–2·28) <0·0001 1·44 (1·27–1·62) <0·0001
Psychotic disorder (first) 2·27 (1·56–3·30) <0·0001 1·49 (1·15–1·93) 0·0016
Substance use disorder (any) 1·26 (1·19–1·33) <0·0001 1·11 (1·07–1·17) <0·0001
Substance use disorder (first) 1·21 (1·05–1·38) 0·0054 0·89 (0·81–0·97) 0·013
Insomnia (any) 1·52 (1·42–1·63) <0·0001 1·18 (1·12–1·24) <0·0001
Insomnia (first) 2·06 (1·82–2·33) <0·0001 1·51 (1·38–1·66) <0·0001
Any outcome 1·47 (1·44–1·51) <0·0001 1·16 (1·14–1·17) <0·0001
Any first outcome 1·83 (1·71–1·96) <0·0001 1·28 (1·23–1·33) <0·0001

Details on cohort characteristics are presented in the appendix (pp 37–40). HR=hazard ratio. RTI=respiratory tract infection.

*

Matched cohorts.