Table 2: PEFR measured 10 minutes and 1 hour after the start of treatment.

(PEFR)% mmHg Group C
(n = 25)
Group M
(n = 25)
T-test
Mean ± SD %of change Mean ± SD %of change t P-value
Baseline 32.49 ± 3.51 31.08 ± 4.29 1.272 0.209
10 min after injection 51.74 ± 5.26 59.2 64.89 ± 6.87 108.8 7.599 < 0.001**
1 h after injection 70.75 ± 7.18 117.8 77.65 ± 7.29 149.8 3.372 0.002*

Data are presented as mean±standard deviation. Percentage of change is compared to the baseline value, calculated as: (51.74-32.49) ÷ 32.49. Group C: standard pharmacotherapy and placebo, Group M: standard pharmacotherapy and 25 μg milrinone slow IV bolus, PEFR: peak expiratory flow rate. **Statistically highly significant. *Statistically significant.

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