Participant demographics, injury overview and SARS-CoV-2 infections per team
| Team A (n=32) | Team B (n=30) | Team C (n=22) | Total (n=84) | |
| Participant characteristics | ||||
| Mean±SD | Mean±SD | Mean±SD | Mean±SD | |
| Age (years) | 23.50±3.88 | 24.93±4.24 | 25.23±5.40 | 24.46±4.45 |
| BMI (kg/m²) | 23.30±1.31 | 23.95±1.88 | 23.49±1.46 | 23.57±1.57 |
| Games/week (n) | 1.70±0.55 | 1.64±0.56 | 1.23±0.43 | 1.52±0.48 |
| Injury overview | ||||
| Frequency (%) | Frequency (%) | Frequency (%) | Frequency (%) | |
| Number of injured players (n) | 22 | 22 | 17 | 61 |
| Total number of injuries (n) | 32 | 30 | 22 | 84 |
| Non-contact injuries | 15 (47) | 14 (47) | 8 (36) | 37 (44) |
| Muscle strains | 6 (19) | 8 (27) | 4 (18) | 18 (21) |
| Time loss muscle strains (days, Median ±IQR) (Q1–Q3) | 12.5±33.0 (7.0–38.5) | 10.5±33.0 (3,0 -25,75) | 7.5±21.0 (3.75–20.25) | 10.5±37.0 (5.25–25.25) |
| SARS-CoV-2 infections | ||||
| Frequency (%) | Frequency (%) | Frequency (%) | Frequency (%) | |
| Number of infected players (n) | 10 | 10 | 2 | 22 |
| Symptoms of COVID-19 disease | ||||
| Asymptomatic | 2 (20) | 2 (20) | 0 (0) | 4 (18) |
| Mild | 1 (10) | 5 (50) | 1 (50) | 7 (32) |
| Moderate | 5 (50) | 3 (30) | 1 (50) | 9 (41) |
| Sever | 2 (20) | – | – | 2 (9) |
| Median ±IQR (Q1–Q3) | Median ±IQR (Q1–Q3) | Median ±IQR (Q1–Q3) | Median ±IQR (Q1–Q3) | |
| Quarantine duration (days) | 9.0±12.0 (6.0–12.0) | 15.0±25.0 (9.75–20.5) | 15.00±0.0 (15.0–15.0) | 11.0±25.0 (8.75–15.0) |
| Time between return to training and injury (days) | 23.0±22.0 (17.5–28.5) | 11.0±23.0 (3–23.5) | – | 12.0±31.0 (3.0–26.0) |
BMI, body mass index.