Table 6 meta-regression of the effects of six different studies' aspects on diagnosis value of FNAB
Covariates | Number of studies | Coefficient | RDOR | 95%CI | P-value |
|---|---|---|---|---|---|
QUADAS ≥ 10 | 34 | 0.747 | 2.11 | 0.60-7.47 | 0.2389 |
21-gauge | 19 | -0.705 | 0.49 | 0.16-1.53 | 0.2149 |
imaging guidance systems | 13 | -1.383 | 0.25 | 0.07-0.95 | 0.0417 |
histopathology only | 35 | 1.705 | 5.5 | 1.04-29.08 | 0.0451 |
prospective | 5 | 0.74 | 2.1 | 0.25-17.36 | 0.4829 |
Asia | 31 | 0.433 | 1.56 | 0.33-7.43 | 0.5696 |