Table 1

Effect of the COVID-19 pandemic on ICH and SAH mortality

Adjusted models
ICH mortalitySAH mortality
Overall
 Precovid slope0.99 (0.99 to 1.00)***1.00 (0.99 to 1.00)*
 Postcovid slope1.02 (1.00 to 1.04)0.99 (0.96 to 1.02)
 Difference between precovid and postcovid slopes1.02 (1.00 to 1.04)*0.99 (0.96 to 1.03)
Low income
 Precovid slope1.00 (0.99 to 1.00)***1.00 (0.99 to 1.00)
 Postcovid slope1.04 (1.01 to 1.06)**0.99 (0.95 to 1.03)
 Difference between precovid and postcovid slopes1.04 (1.01 to 1.07)**0.99 (0.95 to 1.04)
High income
 Precovid slope0.99 (0.99 to 1.00)***1.00 (0.99 to 1.00)
 Postcovid slope0.99 (0.96 to 1.02)0.98 (0.93 to 1.03)
 Difference between precovid and postcovid slopes1.00 (0.97 to 1.03)0.99 (0.94 to 1.04)
Unadjusted models
ICH mortalitySAH mortality
Overall
 Precovid slope1.00 (1.00 to 1.00)***1.00 (0.99 to 1.00)*
 Postcovid slope1.01 (1.00 to 1.03)1.00 (0.98 to 1.03)
 Difference between precovid and postcovid slopes1.02 (1.00 to 1.03)1.01 (0.98 to 1.03)
Low income
 Precovid slope1.00 (0.99 to 1.00)**1.00 (0.99 to 1.00)
 Postcovid slope1.02 (1.00 to 1.05)*1.00 (0.97 to 1.04)
 Difference between precovid and postcovid slopes1.03 (1.01 to 1.05)*1.01 (0.97 to 1.04)
High income
 Precovid slope1.00 (0.99 to 1.00)**1.00 (0.99 to 1.00)
 Postcovid slope1.00 (0.97 to 1.02)0.99 (0.95 to 1.04)
 Difference between precovid and postcovid slopes1.00 (0.98 to 1.02)1.00 (0.96 to 1.04)
  • *p<0.05; **p<0.01; ***p<0.001.

  • ICH, intracerebral haemorrhage; SAH, subarachnoid haemorrhage.