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Table 3 Comparisons of tumor sizes between MRI and CT before neoadjuvant therapy (NAT) of pancreatic cancer (n = 103)

From: Tumor size measurements of pancreatic cancer with neoadjuvant therapy based on RECIST guidelines: is MRI as effective as CT?

Parameters

NAT methods

Tumor locations

TRG levels

N stages

Resection margin status

Chemotherapy

(n = 69)

Chemoradiotherapy

(n = 34)

head/neck

(n = 53)

body/tail

(n = 50)

0–2

(n = 73)

3

(n = 30)

N0

(n = 51)

N1/N2

(n = 51)

R0

(n = 76)

R1

(n = 27)

Mean size difference, mm

1.6

1.4

1.5

1.6

1.8

0.9

2.5

0.6

2.0

0.2

Limits of agreement, mm

-10.4 to 13.6

-8.1 to 11.0

-9.7 to 12.6

-9.7 to 12.9

-7.7 to 11.3

-13.7 to 15.5

-7.5 to 12.5

-11.6 to 12.7

-9.1 to 13.1

-11.0 to 11.4

ICC

0.93

0.91

0.80

0.95

0.95

0.85

0.94

0.92

0.94

0.89

95% CI of ICC

0.89 to 0.96

0.82 to 0.95

0.68 to 0.88

0.91 to 0.97

0.92 to 0.97

0.71 to 0.93

0.90 to 0.97

0.86 to 0.95

0.90 to 0.96

0.78 to 0.95

  1. TRG Tumor regression grade, ICC Intraclass correlation coefficient, CI Confidence interval