Correlation between Ultrasound Reflection Intensity and Tumor Ablation Ratio of Late-Stage Pancreatic Carcinoma in HIFU Therapy: Dynamic Observation on Ultrasound Reflection Intensity

Table 3

The clinical condition and ultrasound grouping for 31 pancreatic cancers.

Characteristics	Group A (𝑛=14)	Group B (𝑛=17)	𝜒^2/P
Gender
Male	6 (42.9%)	14 (82.4%)	3.648/0.056
Female	8 (57.1%)	3 (17.6%)
Age
≤60	5 (35.7%)	2 (11.8%)	2.634/0.268
61–75	6 (42.9%)	11 (64.7%)
≥76	3 (21.4%)	4 (23.5%)
Tumor location
Pancreatic head	2 (14.3%)	5 (29.4%)	1.389/0.499
Pancreatic body	11 (78.6%)	10 (58.8%)
Pancreatic tail	1 (7.1%)	2 (11.8%)
Clinical stages
Stage III	5 (35.7%)	4 (23.5%)	0.120/0.729
Stage IV	9 (64.3%)	13 (76.5%)
Classification by TSD
≤7 cm	9 (64.3%)	1 (5.9%)	9.460/0.002
>7 cm	5 (35.7%)	16 (94.1%)
Classification by tumor ablation ratio
≤30%	2 (14.3%)	15 (88.2%)	16.952/<0.001
>30%	12 (85.7%)	2 (11.8%)