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Table 2 Consistency evaluation for tumor volume, ADC and T2 relaxation time at different time points

From: T2 relaxation time for the early prediction of treatment response to chemoradiation in locally advanced rectal cancer

ICC

Tumor volume

ADC value

T2 value

Intra-observer

Inter-observer

Intra-observer

Inter-observer

Intra-observer

Inter-observer

Before CRT

0.99 (0.99–1.00)

0.99 (0.99–1.00)

0.98 (0.96–0.99)

0.96 (0.92–0.98)

0.95 (0.85–0.98)

0.92 (0.86–0.96)

During CRT

0.99 (0.96–1.00)

0.98 (0.97–0.99)

0.95 (0.90–0.97)

0.91 (0.83–0.95)

0.95 (0.90–0.97)

0.95 (0.88–0.98)

After CRT

0.99 (0.99–1.00)

0.99 (0.99–1.00)

0.82 (0.67–0.90)

0.64 (0.33–0.80)

0.94 (0.86–0.97)

0.82 (0.33–0.93)

  1. CRT, chemoradiotherapy; ICC, intra-class correlation coefficient