Table 2. Correlation between Observation Size and Theshold Growth.
| # of Patients with 6 Months CT/MR (%) | Threshold Growth (+) (%) | Threshold Growth (−) (%) | P * | P † | ||
|---|---|---|---|---|---|---|
| HCC, mm (n = 616) | ||||||
| < 10 | 3/8 (37.5) | 0/3 (0.0) | 3/3 (100.0) | 0.360 | 0.607 | |
| 10–19 | 27/114 (23.7) | 6/27 (22.2) | 21/27 (77.8) | |||
| 20 | 89/494 (18.0) | 11/89 (12.4) | 78/89 (87.6) | |||
| Non-HCC malignancies, mm (n = 58) | ||||||
| < 10 | 3/3 (100.0) | 3/3 (100.0) | 0/3 (0.0) | 0.199 | 0.090 | |
| 10–19 | 4/6 (66.7) | 2/4 (50.0) | 2/4 (50.0) | |||
| 20 | 16/49 (32.7) | 6/16 (37.5) | 10/16 (62.5) | |||
*Fisher's exact test, †Cochran-Armitage's trend test. HCC = hepatocellular carcinoma