Table 2.
The mODI, VAS pain, and Physical examination score in JOABPEQ of the participants
| Week | SvN group (n = 82) | SSN group (n = 77) | Difference (95% CI) | p value | |
|---|---|---|---|---|---|
| mODI (%) | 4 | 8 (2–18) | 30 (20–42) | 18 (14, 23) | <0.001 |
| 16 | 7 (2–18) | 26 (18–42) | 17 (12, 22) | <0.001 | |
| 28 | 10 (2–20) | 26 (18–42) | 16 (11, 20) | <0.001 | |
| Average VAS pain | 4 | 1 (0–2) | 4 (2–5) | 3 (1.6, 2.7) | <0.001 |
| 16 | 1 (0–2) | 4 (2–5) | 2 (1.4, 2.4) | <0.001 | |
| 28 | 1 (0–3) | 4 (2–5) | 3 (1.1, 2.1) | <0.001 | |
| 3 physical signs in JOABPEQ | 4 | 5.5 (5–6) | 5 (5–6) | 0 (0, 1) | 0.024 |
| 16 | 6 (5–6) | 5 (5–6) | 0 (-0.59, 0.02) | 0.081 | |
| 28 | 6 (5–6) | 5 (5–6) | 0 (-0.55, 0.08) | 0.069 |
IQR, interquartile range; JOABPEQ, Japanese Orthopedic Association Back Pain Evaluation Questionnaire; ODI, Oswestry Disability Index; SvN, silver needle; SSN, stainless-steel needle; VAS, Visual Analogue Scale.