Table 2 Technical outcomes, hospitalization and stricture change.

From: A comparison of three kinds of balloon dilatations for patients with benign esophageal strictures

 

Group S

Group D

Group L

P-value

Total no. of dilations

71

31

68

 

Technical success

63 (88.7)

27 (87.1)

61 (89.7)

0.9291

No. of dilations

3.0 (1.0, 5.0)

2.5 (1.8, 6.0)

3.0 (2.0, 4.8)

0.9220

Total hospitalization (days)

14.0 (9.0, 24.0)

21.0 (10.0, 49.5)

12.0 (8.0, 24.0)

0.0112

Average hospitalization (days)

4.8 (3.6, 7.3)

7.9 (6.3, 10.0)

4.0 (2.9, 6.0)

0.0032

Total hospitalization cost, ×104¥

4.0 (2.6, 6.8)

6.9 (3.7, 11.2)

3.1 (2.1, 6.3)

0.0006

Average hospitalization cost, ×104¥

1.3 (0.9, 2.0)

2.8 (2.0, 3.6)

1.3 (1.0, 1.6)

< 0.0001

Total No. of hospitalizations

3.0 (2.0, 5.0)

3.5 (1.0, 7.0)

3.0 (2.0, 5.0)

0.35149

Duration of treatment, months

4.0 (1.1, 16.1)

5.3 (0.4, 22.0)

3.3 (1.7, 8.4)

0.1541

Dysphagia score, median (± SD)

 Before dilation

2.7 (0.7)

2.6 (0.69)

2.4 (0.6)

0.2016

 Post-dilation

1.2 (1.0)

0.8 (1.3)

0.8 (0.9)

0.1897

 Final score

1.3 (1.5)

1.3 (1.4)

0.4 (0.9)**

0.0085

Stricture diameter, median (± SD)

 Before dilation

2.4 (1.2)

2.2 (1.5)

2.7 (2.2)

0.6825

 Post-dilation

8.6 (2.6)

9.5 (2.8)

10.1 (3.4)

0.2649

 Final diameter

9.4 (3.0)***

4.7 (4.8)

10.9 (4.4)***

< 0.0001

Stricture rates, median (± SD)

 Before dilation

87.7 (7.5)

89.3 (7.2)

85.5 (11.9)

0.4267

 Post-dilation

57.8 (15.0)

48.2 (14.7)

45.1 (19.8)

0.0538

 Final rate

19.4 (27.1)

28.7 (27.2)

6.5 (14.8)***

0.0034

  1. **P < 0.01 vs. Group S or Group D.
  2. ***P < 0.001 vs. Group D.