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. Author manuscript; available in PMC: 2015 Mar 2.
Published in final edited form as: Acad Radiol. 2014 Aug 1;21(10):1304–1313. doi: 10.1016/j.acra.2014.05.017

TABLE 3.

Radiologic Evaluation of B-mode Images of the Control, Acute-, and Late-Toxicity Groups

Group Echogenicity, n (%)
Heterogeneity, n (%)
Hypoechoic Isoechoic Hyperechoic P Value* Mild Moderate Severe P Value*
Comparing three groups <.001 <.001
Control (N = 26) 0 (0) 10 (38.5) 16 (61.5) 24 (92.3) 2 (7.7) 0 (0)
Acute toxicity (N = 32) 16 (50) 11 (34.4) 5 (15.6) 3 (9.4) 15 (46.9) 14 (43.8)
Late toxicity (N = 36) 12 (33.3) 17 (47.2) 7 (19.4) 10 (27.8) 12 (33.3) 14 (38.9)
Comparing control and toxicity groups <.001 <.001
Control (N = 26) 0 (0) 10 (38.5) 16 (61.5) 24 (92.3) 2 (7.7) 0 (0)
Toxicity (N = 68) 28 (41.2) 28 (41.2) 12 (17.7) 13 (19.1) 27 (39.7) 28 (41.2)
Comparing control and acute-toxicity Groups <.001 <.001
Comparing control and late-toxicity Groups <.001 <.001
Comparing acute- and late-toxicity groups .375 .144

P≤0.05 means statistically significant.

*

P value is calculated by chi-squared test.