Characteristic N Patient characteristics by clinical syndrome p-value2
Overall, N = 2991 COVID-19 with respiratory symptoms, N = 1121 Non-specific signs and symptoms attributed to COVID-19, N = 581 MIS-C, N = 1031 Screening and/or symptoms not attributed to COVID-19, N = 261

Age

297 6.8 (0.3 - 12.7) 1.6 (0.2 - 12.5) 0.2 (0.1 - 9.2) 10.4 (7.1 - 13.0) 6.4 (0.2 - 14.0) <0.001

Gender

296 >0.9

Male

174 (59%) 65 (59%) 34 (60%) 61 (60%) 14 (54%)

Female

122 (41%) 46 (41%) 23 (40%) 41 (40%) 12 (46%)

BMI (z-score) 3

176 0.28 (-0.79 - 1.16) 0.22 (-0.77 - 1.15) 0.17 (-1.25 - 1.36) 0.32 (-0.74 - 1.16) 0.43 (-0.16 - 0.85) >0.9

Hospital Admission

295 256 (87%) 89 (80%) 50 (86%) 96 (95%) 21 (84%) 0.015

Length of Stay (d)

247 4 (2 - 7) 3 (1 - 6) 2 (1 - 5) 6 (4 - 8) 3 (2 - 7) <0.001

ICU admission

254 74 (29%) 11 (13%) 3 (6.0%) 58 (60%) 2 (9.5%) <0.001

Length of Stay ICU (d)

70 4 (3 - 6) 7 (4 - 24) 3 (3 - 6) 4 (2 - 5) 24 (13 - 36) 0.049

Lymphocyte count available

299 <0.001

Yes

194 (65%) 63 (56%) 34 (59%) 85 (83%) 12 (46%)

No

105 (35%) 49 (44%) 24 (41%) 18 (17%) 14 (54%)

Lymphopenia

194 117 (60%) 33 (52%) 22 (65%) 56 (66%) 6 (50%) 0.3
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