Table 4.
Eight Principles and Zang–Fu Clusters: Relationship to NPQ Change Scores at 6 and 12 Months
| NPQ change scores between baseline and 6 months | NPQ change scores between baseline and 12 months | |||
|---|---|---|---|---|
| Acupuncture-related diagnostic methods | N (%) | Mean (95% CI) | N (%) | Mean (95% CI) |
| Eight principlesa | ||||
| External | 41 (27) | −15.33 (−20.15 to −10.51) | 37 (25) | −20.29 (−24.98 to −15.60) |
| Internal | 30 (20) | −13.37 (−18.98 to −7.75) | 29 (20) | −8.41 (−14.15 to −2.66) |
| Mixed internal and external | 82 (54) | −10.58 (−13.32 to −7.84) | 80 (55) | −10.55 (−13.31 to −7.78) |
| Zang–Fu clustersb | ||||
| Liver cluster | 82 (62) | −12.29 (−15.06 to −9.52) | 76 (60) | −10.32 (−13.45 to −7.18) |
| Spleen cluster | 48 (36) | −9.97 (−14.49 to −5.45) | 48 (38) | −11.30 (−15.30 to −7.30) |
| Otherc | 2 (2) | — | 2 (2) | — |
a
Missing data: 3 internal and 4 mixed internal and external patients did not provide NPQ scores at 6 months; and 4 external, 4 internal, and 6 mixed internal and external patients did not provide NPQ scores at 12 months.
b
Missing data: 2 Liver and 5 Spleen cluster patients did not provide NPQ data at 6 months; and 8 Liver and 5 Spleen cluster patients did not provide NPQ data at 12 months.
c
Insufficient data for analysis.
CI, confidence interval; NPQ, Northwick Park neck pain and disability questionnaire.