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Table 2 FDG uptake (all patients, n = 40)

From: The efficiency of 18F-FDG-PET/CT in the assessment of tumor response to preoperative chemoradiation therapy for locally recurrent rectal cancer

 

Mean ± SD

Median

Range

Pre-SUV

8.2 ± 6.1

5.9

1.0 to 26.3

Post-SUV

3.8 ± 4.0

3.0

0.0 to 18.7

∆SUV

4.4 ± 4.8

2.8

−1.3 to 22.5

DR(%)

48.1 ± 30.3

44.7

−30.2 to 100.0

  1. Abbreviations: FDG,18F-fluorodeoxyglucose, SUV, standardized uptake value, Pre-SUV, SUVmax values on the initial scan, Post-SUV, SUVmax values on the post-CRT scan, ∆SUV, ∆SUV = Pre-SUV– Post-SUV, DR, decreasing rate, ∆SUV/Pre-SUV × 100(%), CRT, chemoradiation therapy