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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: Acupunct Med. 2010 Jun 7;28(3):144–148. doi: 10.1136/aim.2009.001230

Table 2. Number and confidence score (mean ± SD %) in practitioners’ identification of needles identified from clues.

Clue for identification Total number reported /
cases of correct identification		 Confidence in total /
cases of correct identification
Feeling of needle insertion 160 / 69 54.3 ± 20.6 / 57.6 ± 19.0
Feeling of needle removal 17 / 7 49.6 ± 22.0 / 55.9 ± 17.7
Feeling in the left hand holding
the guide tube (‘Oshide’)		 13 / 6 34.9 ± 16.1 / 41.6 ± 17.7
Body movement 11 / 3 29.2 ± 19.2 / 16.7 ± 2.8
Bleeding 0 -
Lack of bleeding 0 -
Feeling of needle insertion
+ feeling of needle removal		 41 /14 47.5 ± 22.5 / 48.1 ± 18.5
Feeling of needle insertion
+ body movement		 1 / 0 77.2 / −
Feeling of needle insertion
+ feeling of needle removal
+ body movement		 1 / 1 91.6 / 91.6
Others 12 / 4 70.0 ± 34.0 / 47.3 ± 22.9

Note: Forty-four needles were unidentified.