Table 3
Univariate analysis of variables at diagnosis associated with serologic response at 2 years of follow-up in patients without surgery under ABZ.
| Non-responders |
Responders |
p-value | |
|---|---|---|---|
| n = 14 | n = 6 | ||
| Characteristics of AE lesions | |||
| Maximum size (mm) | 71 ± 34 | 37 ± 14 | 0.009 |
| Irregular shape (%) | 11 (79) | 4 (67) | 0.746 |
| Pedicle involvement (%) | 10 (71) | 1 (16) | 0.028 |
| Hepatic artery involvement (%) | 14 (100) | 4 (67) | 0.079 |
| Portal vein involvement (%) | 0.033 | ||
| None | 0 (0) | 1 (11) | |
| Distal | 0 (0) | 0 (0) | |
| Middle | 1 (7) | 2 (33) | |
| Proximal | 13 (93) | 3 (44) | |
| Hepatic vein involvement (%) | 0.288 | ||
| None | 1 (7) | 0 (0) | |
| Distal | 0 (0) | 0 (0) | |
| Middle | 4 (29) | 4 (66) | |
| Proximal | 9 (64) | 2 (33) | |
| CT features | |||
| Microcalcification extension (%) | 20 [13, 30] | 15 [25, 27] | 0.527 |
| Macrocalcification extension (%) | 0 [0, 25] | 0 [0, 0] | 0.692 |
| MRI features | |||
| Microcysts percentage (%) | 80 [65, 80] | 50 [30, 80] | 0.522 |
| T2 hyposignal percentage (%) | 20 [10, 20] | 20 [10, 30] | 0.595 |
| PET-CT imaging | |||
| Maximum AE lesion SUV | 6.3 [4.3, 8.1] | 4.3 [2.4, 5.1] | 0.085 |
| Mean liver – SUV | 1.30 [1.17, 1.63] | 1.65 [1.30, 1.78] | 0.278 |
| rEm18AB index | 7.81 ± 3.95 | 2.98 ± 1.63 | 0.011 |
AE = alveolar echinococcosis; CT = computed tomography; MRI = magnetic resonance imaging; PET-CT = positron emission tomography-computed tomography; SUV = standardized uptake value
Non-normal quantitative variables are expressed as median and IQR, and compared using the Mann–Whitney U-Test.
Normal quantitative variables are expressed as mean ± standard deviation and compared using the Student test.
Qualitative variables are expressed as numbers (percentages), and compared using Fisher exact tests. Numbers in bold are significant P value (i.e. < 0.05).
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