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Table 6 Top 10 keyword related to acupuncture for insomnia

From: Research trends of acupuncture therapy on insomnia in two decades (from 1999 to 2018):a bibliometric analysis

Rank Keyword Freq Rank Keyword Centality
1 acupuncture 133 1 acupuncture 0.91
2 insomnia 119 2 randomized controlled trial 0.45
3 randomized controlled trial 55 3 insomnia 0.29
4 sleep 28 4 sleep 0.24
5 depression 24 5 pain 0.14
6 electroacupuncture 21 6 acupressure 0.11
7 Metaanalysis 18 7 cognitive behavioral therapy 0.09
8 acupressure 14 8 auricular acupuncture 0.09
9 quality of life 10 9 electroacupuncture 0.08
10 cognitive behavioral therapy 8 10 metaanalysis 0.08