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. 2019 Nov;16(4):797–810. doi: 10.20892/j.issn.2095-3941.2018.0486

2.

The parameters related with ultrasound-guided MWA

Parameter All ALBI grade 1 ALBI grade 2 P
Unless otherwise indicated data are number of patients, with percentage in parentheses.
a Student t test;
b Pearson χ2-test;
* Data are means SD ± mean;
† Data are medians, with data range.
MWA, microwave ablation
ALBI, albumin- bilirubin.
Patients, n 183 95 88
Antenna number 2 2 2 1.000b
Ablation points† 2.4 (2–7) 2.2 (1–5) 2.5 (1–7) 0.612a
Ablation time (s)* 558.3±23.1 (478–600) 592.5±21.1 (500–600) 537.1±11.3 (478–600) 0.328a
Ablation power (W)† 55 (45–60) 55 (45–60) 50 (45–60) 0.772a
Hydrodissection technology 0.256b
 Yes 55 (30.1) 25 (26.3) 30 (34.1)
 No 128 (69.9) 70 (73.7) 58 (65.9)
CEUS guidance 0.530b
 Yes 32 (17.5) 15 (15.8) 17 (19.3)
 No 151 (82.5) 80 (84.2) 71 (80.7)
3D visualization preoperative plan 0.757b
 Yes 48 (26.2) 24 (25.3) 24 (27.3)
 No 135 (73.8) 71 (74.7) 64 (72.7)
Sessions 0.031b
 1 165 (90.2) 90 (94.7) 75 (85.2)
 > 1 18 (9.8) 5 (5.3) 13 (14.8)