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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