Table 2.
Characteristics of participants with symptoms persisting more than 3 months (PCS) vs. no symptoms (n = 1930).
| Variables | No Symptoms | PCS | p-Value | |
|---|---|---|---|---|
| (524/27.2%) | (1406/72.8%) | |||
| n/% | n/% | |||
| Age | <35 | 132/25.2 | 229/16.3 | <0.001 |
| 35–49 | 157/30.0 | 362/25.7 | ||
| >49 years | 235/44.8 | 815/58.0 | ||
| Sex | Female | 385/73.5 | 1194/84.9 | <0.001 |
| Male | 139/26.5 | 212/15.1 | ||
| Smoking | Smoker | 85/16.4 | 218/15.6 | 0.7 |
| Obesity | BMI ≥30 | 96/18.6 | 364/26.3 | <0.001 |
| Pre-existing disease | 258/49.2 | 949/67.5 | <0.001 | |
| Infection period during 2020 | January–June | 253/49.9 | 761/54.1 | 0.1 |
| July–December | 254/50.1 | 645/45.9 | ||
| Region | Region 1 | 196/37.4 | 524/37.3 | 0.3 |
| Region 2 | 328/62.6 | 882/62.7 | ||
| Acute symptoms of COVID-19 | 447/85.3 | 1379/98.1 | <0.001 | |
| No. of acute symptoms | Mean ± SD, Median | 4.9 ± 3.4, 5.0 | 7.9 ± 3.2, 8.0 | <0.001 |
| Severe acute symptoms | 273/52.1 | 1160/82.6 | <0.001 | |
| Hospitalisation | 14/2.7 | 119/8.5 | <0.001 | |
| ICU treatment | 2/0.4 | 33/2.3 | 0.002 | |
| Ventilation | 0 | 13/0.9 | N/A | |
| Outpatient medical care | 56/10.7 | 531/37.8 | <0.001 | |
| Rehabilitation received | 0 | 57/4.1 | N/A | |
| Rehabilitation request | 46/9.8 | 616/48.9 | <0.001 |
PCS—post-COVID-19 syndrome; N/A—not applicable.