Table 3 Assessment of malignant esophageal stenosis before and after chemotherapy

Length of stenosis (cm, mean ± SD)

Before

4.6 ± 1.74

6.0 ± 2.06

*0.003 ^a

After

4.3 ± 1.55

5.3 ± 1.94

*0.012 ^a

Reduction rate in the stenotic length (%, mean)

6.6

10.8

0.298 ^a

Width of the narrowest portion (cm, mean ± SD)

Before

1.1 ± 0.59

0.8 ± 0.44

*0.030 ^a

After

1.0 ± 0.55

1.0 ± 0.45

0.862 ^a

Expansion rate in the width of narrowest portion (%, mean)

102

127

*0.031 ^a

Intraluminal stenotic area (cm2, mean ± SD)

Before

6.5 ± 2.73

8.3 ± 3.90

*0.034 ^a

After

5.6 ± 2.40

7.8 ± 4.07

*0.009 ^a

Stenosis lumen area reduction rate (%, mean)

11.1

2.6

0.176 ^a

SI (mean)

Before

1.47 ± 0.48

1.38 ± 0.39

0.392 ^a

After

1.37 ± 0.47

1.47 ± 0.42

0.353 ^a

The rate of SI change (%, mean)

96

112

*0.038 ^a