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Number of days with some incidence of hypotension (SBP < 70 for ages 0–10 years, <80 for ages 11 and older. P-value < .0001)
| Control | Propranolol (combination of ER and q6h drug groups) | |
|---|---|---|
| Total number of patients | 136 | 104 |
| Average number of days with measurements | 132 | 666 |
| Average number of days with hypotension | 1.8 | 24.2 |
