|  | NaCl (n = 12) | TCA (n = 9) | p |
---|---|---|---|---|
direct treatment response | no response | 8 | 2 | Â |
 | partial response, not satisfactory | 1 | 0 |  |
 | partial response, satisfactory | 2 | 1 |  |
 | complete resolution of symptoms | 1 | 6 |  |
 |  |  |  | 0.015* |
mean severity of pain in the past week (95% CI) | Â | 4.3 (2.3-6.3) | 1.3 (0.3-2.9) | Â |
 | mean rank | 13.1 | 7.4 | 0.031§ |
mean Dutch AIMS-2-HFF (95% CI) | Â | 2.7 (1.9-3.6) | 1.9 (0.7-3.2) | Â |
 | mean rank | 12.4 | 8.2 | 0.112§ |
patient perceived improvement | much worse | 0 | 0 | Â |
 | worse | 2 | 0 |  |
 | not better not worse | 6 | 2 |  |
 | better | 1 | 1 |  |
 | much better | 3 | 6 |  |
 |  |  |  | 0.047* |