Table 3 Clinical factors associated with SAEs.

From: Esophageal metal stent for malignant obstruction after prior radiotherapy

 

Univariate analysis

Multivariate analysis

Odds ratio (95% CI)

P value

Odds ratio (95% CI)

P value

Age

–

0.563

0.96 (0.897–1.04)

0.329

Sex

Male/female (reference)

0.95 (0.164–10.090)

1

0.20 (0.023–1.74)

0.145

Radial force

High/low (reference)

8.20 (1.034–376.318)

0.033

21.8 (1.510–314.00)

0.024

Prior RT/CRT

Yes/no (reference)

3.08 (0.558–15.813)

0.112

5.99 (1.130–31.70)

0.035

Tumor location

Ce/Ut/Mt/Lt/Ae/anastomosis

–

0.962

–

–

Macroscopic type

Type 1/2/3/4/5

–

0.591

–

–

Degree of stenosisa

Possible/impossible(reference)

1.01 (0.115–48.912)

1

–

–

Stenosis length

–

0.238

0.975 (0.743–1.28)

0.855

  1. Quantitative data was compared using Mann–Whitney’s U test.
  2. Univariate analysis was compared using Fisher’s exact test.
  3. Multivariate analysis was performed using logistic regression.
  4. Ae, abdominal esophagus; Ce, cervical esophagus; Lt, lower thoracic esophagus; Mt, middle thoracic esophagus; Ut, upper thoracic esophagus.
  5. aStenosis was evaluated by an approximately 6 mm diameter nasal endoscope.
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