Table 2.
Clinical characteristics of MIS-C
| Parameters | Grimaud et al. | Verdoni et al. | Whittaker et al. | Feldstein et al. | Dufort et al. | Capone et al. | Davies et al. |
|---|---|---|---|---|---|---|---|
| Clinical features (%) | |||||||
| Fever | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| Any Gastrointestinal | |||||||
| Involvement | 100% | 60% | 53% | 92% | 80% | 97% | 90% |
| Abdominal pain | 100% | NA | 53% | NA | 61% | NA | 62% |
| Diarrhoea | NA | 60% | 52% | NA | 49% | NA | 64% |
| Vomiting | 100% | NA | 45% | NA | 58% | NA | 63% |
| Any Mucocutaneous Involvement | 50% | 70% | 52% | 74% | 62% | 64% | NA |
| Skin rash | 50% | 30% | 52% | 59% | 60% | NA | 45% |
| Conjunctivitis | 30% | 30% | 45% | 55% | 56% | NA | 29% |
| Chelitis | 25% | 60% | 29% | 74% | NA | NA | |
| Adenitis (> 1.5 cm) | 10% | 10% | 16% | 18% | 6% | NA | NA |
| Any respiratory symptoms | NA | NA | 21% | 70% | 67% | 52% | NA |
| Any neurologic involvement | NA | 50% | 26% | 6% | 30% | 58% | NA |
| Headache | NA | NA | 26% | NA | 29% | NA | |
| Meningeal signs | NA | 40% | NA | 2% | NA | NA | |
| GCS median (range) | 15(4–15) | Nil | NA | NA | NA | NA | |
| Any cardiac involvement | 100% | 60% | 50% | 80% | 97% | 58% | 87% |
| Myocarditis | 100% | NA | 50% | NA | 53% | 58% | NA |
| Aneurysm | 0 | 20% | 14% | 8% | 9% | 15% | 23% (additional 12.8% had unusually echogenic coronaries) |
| Any renal involvement | 70% | NA | 22% | 7.5% | 10% | 70% | |
| AKI | 70% | NA | 22% | 5% | 10% | 70% | |
| Any hematologic involvement | 100% | 100% | 100% | 76% | 66% | 82% | 100% |
| Any musculoskeletal involvement | NA | NA | NA | 23% | 20% | NA | NA |
| Major systemic inflammation | 100% | 100% | 100% | 100% | 100% | 100% | 100% |
| Hypotension | 100% | 50% | 50% | 48% | 32% | 76% | 87% |
| Fulfilled Kawasaki diagnostic criteria | 0 (at least one feature of KD found in all children) | 70% | 22% | 40% | 36% | 64% | |
NA—data not available