A Comparative Study of Smartphone Game with Spirometry for Pulmonary Function Assessment in Stroke Patients

Background. The monitoring and rehabilitation of pulmonary function can be immensely important for long-term performance of daily life activities in stroke patients. In recent times, smartphone game-based assessment (SGA) has been gaining in popularity as an alternative to laboratory assessments. Hence, the aims of this study were (1) to quantify the reliability and validity of SGA for pulmonary function and (2) to assess the validity of SGA in comparison to spirometry. Materials/Methods. Thirty-four stroke subjects (age = 49.24 ± 8.25 years) performed spirometry and the smartphone game on different days. Spirometric values were obtained using a spirometer (SP-1, Schiller, USA). A breathing game application (Breathing+ package, Breathing Labs, Slovenia) was used to obtain the values for the SGA of pulmonary function. The concurrent validity was determined by comparing data collected from the 2 systems, and the reliability was determined by comparing data collected from 3 sessions of using the breathing game on a smartphone. Results. All parameters demonstrated excellent agreement with intraclass correlation coefficients (ICC (2.1)) values for reliability and concurrent validity. Conclusion. We compared the relationship between the SGA and the spirometry as certified pulmonary function test. The SGA data were statistically significant and reliable for pulmonary function assessment in stroke patients. It will therefore be useful during rehabilitation to improve pulmonary function and clinical monitoring in stroke patients.

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