Document Classification

Section Type: RESULTS

Text: In the NO group, pulmonary rales disappeared in 0. 4 + / - 0. 3 d, shadows on chest radiograph disappeared in 0. 6 + / - 0. 2 d, and the course of disease was 1. 8 + / - 0. 7 d, all of which were significantly different from those of the nifedipine group (2. 4 + / - 1. 4 d, 4. 1 + / - 1. 7 d, 6. 8 + / - 1. 8 d, respectively) and the conventional therapy group (3. 7 + / - 1. 2 d, 5. 5 + / - 1. 8 d, 9. 6 + / - 3. 1 d, respectively).