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Table 2 Dropout rate according to the type of Korean medicine intervention

From: Dropouts in randomized clinical trials of Korean medicine interventions: a systematic review and meta-analysis

Study category (number)

Treatment group: overall and median dropout rates (IQR)

Control group: overall and median dropout rates (IQR)

Total: overall and median dropout rates (IQR)

Acupuncture (n = 21)

\( \frac{93}{687} \), 14% (6.9%, 22.2%)

\( \frac{102}{710} \), 14% (9.9%, 18.6%)

\( \frac{195}{1397} \), 12% (10.8%, 21.3%)

Herbal medicine (n = 12)

\( \frac{74}{587} \), 10% (7.8%, 13.0%)

\( \frac{58}{504} \), 10% (5.7%, 15.0%)

\( \frac{132}{1091} \), 10% (7.2%, 14.0%)

Moxibustion (n = 3)

\( \frac{12}{124} \), 15% (10.1%, 35.5%)

\( \frac{13}{130} \), 0% (0.0%, 5.9%)

\( \frac{25}{254} \), 8% (8.1%, 19.9%)

Cupping (n = 2)

\( \frac{3}{41} \), 7% (6.1%, 8.4%)

\( \frac{2}{31} \), 7% (6.0%, 8.1%)

\( \frac{5}{72} \), 7% (6.1%, 8.3%)

Mixed intervention (n = 4)

\( \frac{6}{66} \), 3% (0.0%, 9.3%)

\( \frac{6}{63} \), 3% (0.0%, 9.3%)

\( \frac{12}{129} \), 4% (2.5%, 7.1%)

Total (n = 42)

\( \frac{188}{1505} \), 10% (6.7%, 17.0%)

\( \frac{181}{1438} \), 14% (5.4%, 16.3%)

\( \frac{369}{2943} \), 12% (7.9%, 16.5%)

  1. IQR interquartile range