Table 1

Patient characteristics

3-Month follow-up6-Month follow-up
Hospitalised with
COVID-19
Hospitalised with influenzaHospitalised with other RTIHospitalised with
COVID-19
Hospitalised with influenzaHospitalised with other RTI
No. of patients66264473693715465397
Sex
Female363 (54.8)345 (53.6)3901 (52.9)205 (55.3)296 (54.2)2874 (53.3)
Age
Mean (SD), years72.7 (16.5)78.5 (14.4)79.0 (14.2)72.5 (17.1)78.8 (13.8)78.6 (14.1)
≤64 years144 (21.8)52 (8.1)702 (9.5)85 (22.9)38 (7.0)555 (10.3)
65–74 years149 (22.5)123 (19.1)1189 (16.1)75 (20.2)108 (19.8)906 (16.8)
≥75 years369 (55.7)469 (72.8)5478 (74.3)211 (56.9)400 (73.3)3936 (72.9)
Comorbidities
Hypertension370 (55.9)415 (64.4)4805 (65.2)215 (58.0)357 (65.4)3535 (65.5)
Diabetes306 (46.2)299 (46.4)3439 (46.7)169 (45.6)261 (47.8)2509 (46.5)
Chronic lower respiratory disease111 (16.8)151 (23.4)2256 (30.6)65 (17.5)133 (24.4)1702 (31.5)
Heart disease227 (34.3)325 (50.5)3896 (52.9)140 (37.7)276 (50.5)2857 (52.9)
Chronic kidney disease40 (6.0)64 (9.9)746 (10.1)27 (7.3)53 (9.7)542 (10.0)
Chronic liver disease76 (11.5)80 (12.4)831 (11.3)47 (12.7)69 (12.6)623 (11.5)
Stroke53 (8.0)94 (14.6)950 (12.9)37 (10.0)78 (14.3)704 (13.0)
Dementia89 (13.4)106 (16.5)1461 (19.8)55 (14.8)90 (16.5)1063 (19.7)
Cancer113 (17.1)194 (30.1)1993 (27.0)58 (15.6)160 (29.3)1454 (26.9)
Rheumatoid arthritis18 (2.7)35 (5.4)368 (5.0)10 (2.7)29 (5.3)281 (5.2)
  • Values are presented as number (%) unless otherwise indicated.

  • COVID-19, coronavirus disease 2019; RTI, respiratory tract infection.