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Updated: Jun 8, 2026

Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults
Published on: February 9, 2022
Predicted equations for ventilatory function among Kuching (Sarawak, Malaysia) population
R D Djojodibroto1, G Pratibha, B Kamaluddin
1Faculty of Medicine and Health Sciences, Universiti Malaysia Sarawak, Lot 77, Section 22, Jalan Tun Ahmad Zaidi Adruce, 93150 Kuching, Sarawak, Malaysia. ddrahardjo@fmhs.unimas.my
Abstract:
Spirometry data of 869 individuals (males and females) between the ages of 10 to 60 years were analyzed. The analysis yielded the following conclusions: 1. The pattern of Forced Vital Capacity (FVC) and Forced Expiratory Volume in One Second (FEV1) for the selected subgroups seems to be gender dependant: in males, the highest values were seen in the Chinese, followed by the Malay, and then the Dayak; in females, the highest values were seen in the Chinese, followed by the Dayak, and then the Malay. 2. Smoking that did not produce respiratory symptom was not associated with a decline in lung function, in fact we noted higher values in smokers as compared to nonsmokers. 3. Prediction formulae (54 in total) are worked out for FVC & FEV1 for the respective gender and each of the selected subgroups.
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