Table 3 Ultrasonographic characteristics of the NIFTP and non-NIFTP groups
Characteristics | NIFTP | Non-NIFTP | Total | P value |
|---|---|---|---|---|
n = 44 | n = 159 | n = 203 | ||
Tumour size (mm), Mean (SD) | 22.97 +/− 12.3 | 25.88 +/− 11.2 | 25.43 +/− 11.6 | 0.0448a * |
Echogenicity | 0.1585c | |||
Hypoechoic | 24 (54.5) | 99 (62.3) | 123 (60.6) | |
Isoechoic | 20 (45.5) | 53 (33.3) | 73 (36) | |
Hyperechoic | 0 | 7 (4.4) | 7 (3.4) | |
Solid Composition | 41 (93.2) | 119 (74.8) | 160 (78.8) | 0.0067b * |
Partially cystic | 3 (6.8) | 40 (25.2) | 43 (21.2) | |
Echogenic foci | ||||
Absent | 38 (86.4) | 128 (80.5) | 166 (81.8) | 0.2947c |
Microcalcifications | 1 (2.3) | 15 (9.4) | 16 (7.8) | |
Coarse calcifications | 5 (11.3) | 16 (10.1) | 21 (10.4) | |
Regular Margins | 40 (90.9) | 131 (82.4) | 171 (84.2) | 0.2421b |
Irregular margins | 4 (9.1) | 28 (17.6) | 32 (17.8) | |
Wider-than-tall Shape | 43 (97.7) | 157 (98.7) | 200 (98.5) | 0.5215b |
Taller-than wide | 1 (2.3) | 2 (1.3) | 3 (1.5) | |
Lymph Nodes | > 0.9999b | |||
Absent | 44 (100) | 157 (98.7) | 201 (99) | |
Present | 0 | 2 (1.3) | 2 (1) | |
2017 ACR TIRADS | 0.1585b | |||
Category | ||||
1–3 | 20 (45.4) | 62 (39) | 82 (40.4) | |
4 | 24 (54.6) | 85 (53.5) | 109 (53.6) | |
5 | 0 | 12 (7.5) | 12 (6) | |