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Relationship between EV71 subgenotypes and disease severity.
| Subgenotype | Outpatients | Inpatients | P value | ||
|---|---|---|---|---|---|
| Grade 1 | Grade 2 | Grade 3 | Grade 4 | ||
| B5 (n = 117) | 85 (72.6%) | 30 (25.7%) | 0 | 2 (1.7%) | 0.002 |
| C4 (n = 10) | 2 (20.0%) | 8 (80.0%) | 0 | 0 | |
P-value was calculated by the chi-squared test.
