Characteristic N Patient characteristics by clinical syndrome p-value2
Overall, N = 6161 COVID-19 with respiratory symptoms, N = 2421 Non-specific signs and symptoms attributed to COVID-19, N = 1341 MIS-C, N = 1831 Screening and/or symptoms not attributed to COVID-19, N = 571

Age

611 3.9 (0.2 - 11.3) 0.6 (0.1 - 8.0) 0.2 (0.1 - 5.7) 9.9 (6.4 - 12.0) 5.9 (1.0 - 12.1) <0.001

Gender

602 0.11

Male

333 (55%) 122 (52%) 70 (53%) 112 (63%) 29 (51%)

Female

269 (45%) 113 (48%) 62 (47%) 66 (37%) 28 (49%)

BMI (z-score) 3

353 0.03 (-0.97 - 1.09) -0.09 (-0.95 - 1.08) -0.36 (-1.88 - 1.03) 0.16 (-0.80 - 1.19) 0.16 (-0.91 - 1.04) 0.2

Hospital Admission

588 533 (91%) 199 (86%) 113 (88%) 169 (98%) 52 (93%) <0.001

Length of Stay (d)

523 3.0 (1.0 - 6.0) 2.0 (1.0 - 5.0) 2.0 (1.0 - 3.0) 6.0 (4.0 - 7.0) 4.0 (1.0 - 7.0) <0.001

ICU admission

528 125 (24%) 19 (9.6%) 6 (5.4%) 95 (57%) 5 (9.8%) <0.001

Length of Stay ICU (d)

121 4 (2 - 6) 7 (5 - 36) 6 (3 - 10) 4 (2 - 5) 1 (1 - 1) <0.001

Lymphocyte count available

616 <0.001

Yes

367 (60%) 114 (47%) 73 (54%) 151 (83%) 29 (51%)

No

249 (40%) 128 (53%) 61 (46%) 32 (17%) 28 (49%)

Lymphopenia

367 222 (60%) 60 (53%) 49 (67%) 101 (67%) 12 (41%) 0.010
3. Roede MJ & van Wieringen JC, bewerking TNO (1985) Growth diagrams 1980: Netherlands third nation-wide survey. Tijdschrift voor Sociale Gezondheidszorg, 63, 1-34.
1 Median (IQR); n (%)
2 Kruskal-Wallis rank sum test; Pearson's Chi-squared test