Research Article

Objectifying Specific and Nonspecific Effects of Acupuncture: A Double-Blinded Randomised Trial in Osteoarthritis of the Knee

Table 2

Patient characteristics.

CharacteristicTotal sampleCA as first treatmentMA as first treatmentNA as first treatment value

116403739ā€‰
Gender male (percent)38 (33%)8 (20%)17 (46%)13 (33%)0.053
Age (years)62.462.761.662.90.79
Kellgren Grade III (percent)57 (49%)22 (55%)17 (46%)18 (46%)0.66
Left knee (percent)54 (47%)17 (43%)20 (54%)17 (44%)0.54
Duration of pain (years)4.74.95.33.90.50
Premedication (percent)39 (34%)13 (33%)13 (35%)13 (33%)0.96

CA: classical acupuncture; MA: semistandardised modern acupuncture; NA: nonspecific needling. Columns describe the first treatment. All patients subsequently received the two remaining treatment modalities.