Asthma Inhaler Education Trial Data from South Korea

Data from a randomized controlled trial of 184 asthma patients in South Korea, comparing video-based versus face-to-face inhaler technique education. The study measured primary and secondary outcomes including forced expiratory volume (FEV1) and asthma control test (ACT) scores over 12 weeks. It was conducted across 12 hospitals from November 2015 to June 2016.

Use Cases

• Compare FEV1 outcomes at 12 weeks between the video education and face-to-face education groups to assess non-inferiority.
• Analyze changes in asthma control test (ACT) scores across the two intervention groups at 4 and 12 weeks.
• Investigate subgroup outcomes, such as FEV1 improvement in elderly subjects or those with well-controlled asthma, based on the assigned education method.
• Evaluate various inhaler technique parameters and patient satisfaction metrics collected at 4 and 12 weeks post-intervention.

Strengths

• Data from a randomized controlled trial with 184 subjects, providing a structured comparison framework.
• Multicenter study conducted across 12 hospitals in South Korea.
• Includes multiple time-point measurements (4 and 12 weeks) for key outcomes like FEV1 and ACT scores.
• Explicit non-inferiority margin of 10% defined for comparing the two education methods.

Limitations

• Sample size of 184 patients may limit statistical power for some subgroup analyses.
• Geographic scope is limited to South Korea, which may affect generalizability to other populations.
• Data collection ended in June 2016, so findings may not reflect current educational technologies or practices.

Provenance

Source

Dryad digital repository.

Collection Method

Data collected from a phase IV, open-label, non-inferiority, multicenter, randomized controlled trial.

Time Range

November 30, 2015 to June 1, 2016.

Freshness

Data last updated on 2020-06-24, but the underlying trial was conducted in 2015-2016.

Geography

12 hospitals in South Korea.