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Inferences of spirometry: SAO—small airway obstruction, MRVD—mild restrictive ventilatory defect
| Inference | Group | Count | Percentage | p-value |
|---|---|---|---|---|
| Normal |
Cases Controls |
29 46 |
46.0% 73.0% |
0.1 |
| SAO |
Cases Controls |
21 8 |
33.3% 12.7% |
0.1 |
| MRVD |
Cases Controls |
13 9 |
20.6% 14.3% |
0.1 |
