Table 3.
Patient characteristics in the three periods, pre-lockdown, lockdown, and post-lockdown (unless otherwise stated, data are presented as absolute numbers with the corresponding percentage given in brackets)
| Patient characteristics | Period | ||||
|---|---|---|---|---|---|
| Pre-lockdown | Lockdown | Post-lockdown | Statistical test(s) | p value | |
| Age | Kruskal-Wallis test | 0.285 | |||
| Median (IQR) | 46.9 (28.4, 60.4) | 43.9 (25.6, 60.1) | 45 (25.8, 61.5) | ||
| Mean (SD) | 44.5 (21.6) | 43 (22) | 43.7 (22.7) | ||
| Gender | Chi-squared test | 1 | |||
| Female | 430 (48.5) | 543 (48.4) | 533 (48.4) | ||
| Male | 457 (51.5) | 578 (51.6) | 568 (51.6) | ||
| Length of journey (km) | Kruskal-Wallis test | <0.001 | |||
| Median (IQR) | 2.9 (1.6, 4.4)A | 3.3 (2.2, 5.6)B | 3 (1.4, 4.6)A | ||
| Mean (SD) | 6 (13.4)A | 9.1 (24.2)B | 5.7 (13.1)A | ||
| Underlying medical condition (one or more) | 226 (25.5)A | 260 (23.2)A | 209 (19)B | Chi-squared test and Tukey contrasts of the logistic regression models | 0.002 |
| Chronic lung disease and/or moderate/severe asthma | 47 (5.3) | 50 (4.5) | 35 (3.2) | 0.06 | |
| Serious heart condition | 108 (12.2)A | 108 (9.6)A | 86 (7.8)B | 0.005 | |
| Immunocompromised patient | 18 (2) | 18 (1.6) | 10 (0.9) | 0.109 | |
| Diabetes | 78 (8.8)A | 57 (5.1)B | 80 (7.3)A,B | 0.004 | |
| Chronic kidney disease undergoing dialysis | 1 (0.1) | 2 (0.2) | 4 (0.4) | 0.462 | |
| Liver disease | 14 (1.6) | 23 (2.1) | 11 (1) | 0.131 | |
| Cancer | 35 (3.9)A | 62 (5.5)A | 20 (1.8)B | <0.001 | |
| SARS-CoV-2 status | 0.095 | ||||
| Known SARS-CoV-2 infection | 0 (0) | 1 (0.1) | 0 (0) | ||
| Recovered from COVID-19 | 0 (0) | 1 (0.1) | 5 (0.5) | ||
| Suspected SARS-CoV-2 infection | 2 (0.2) | 5 (0.4) | 1 (0.1) | ||
| Unknown SARS-CoV-2 infection | 885 (99.8) | 1114 (99.4) | 1095 (99.5) | ||
COVID-19, coronavirus disease 2019; IQR, interquartile range; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2; SD, standard deviation
Within the same row, different superscript letters indicate significant differences in the Tukey contrasts