Table 4 Comparison of VFSS findings between patients with and without unintentional weight loss during 3-month follow up period.

From: Usefulness of barium sulfate and iohexol as contrast agents for VFSS in visualizing components of swallowing predictable of poor outcomes

Parameter (n = 27)

Barium sulfate

Iohexol

Patients with unintentional weight loss (n = 13), median (IQR)

Patients without unintentional weight loss (n = 14), median (IQR)

p valuea

Patients with unintentional weight loss (n = 13), median (IQR)

Patients without unintentional weight loss (n = 14), median (IQR)

p valuea

FDS score

Ā Total score

45 (15–57.5)

23 (7–43.3)

0.152

41 (17–50)

24 (0–39.3)

0.080

Ā Lip closure

0 (0–0)

0 (0–0)

0.937

0 (0–0)

0 (0–0)

0.937

Ā Bolus formation

0 (0–3)

0 (0–3)

0.902

0 (0–3)

0 (0–3)

0.902

Ā Residue in oral cavity

0 (0–2)

0 (0–2)

0.517

0 (0–2)

0 (0–2)

0.517

Ā Oral transit time

6 (0–6)

0 (0–0)

0.013*

6 (0–6)

0 (0–0)

0.033*

Ā Ā Triggering of pharyngeal swallow

10 (5–10)

5 (0–10)

0.272

10 (5–10)

5 (0–10)

0.272

Ā Ā Laryngeal elevation and normal epiglottic closure

0 (0–12)

0 (0–12)

0.588

12 (0–12)

0 (0–12)

0.353

Ā Nasal penetration

4 (2–4)

4 (0–4)

0.207

4 (2–4)

0 (0–4)

0.027*

Ā Residue in valleculae

4 (2–8)

4 (4–8)

0.776

4 (4–8)

4 (0–4)

0.036*

Ā Ā Residue in pyriform sinuses

4 (2–8)

4 (0–8)

0.720

4 (2–6)

2 (0–4)

0.190

Ā Ā Coating of pharyngeal wall after swallow

0 (0–10)

0 (0–0)

0.027*

0 (0–0)

0 (0–0)

0.335

Ā Ā Pharyngeal transit time

4 (0–4)

4 (0–4)

0.820

4 (2–4)

2 (0–4)

0.155

Ā PAS score

3 (1–6.5)

3 (1–6.3)

0.581

3 (2.5–7)

1 (1–3)

0.016*

Ā Number of swallows to eliminate food and contrast from pharyngeal space

10 (5–10)

4.5 (2–7)

0.017*

5 (4–7)

3 (2–4.5)

0.006*

  1. IQR interquartile range, FDS functional dysphagia scale, PAS penetration aspiration scale.
  2. ap-value was calculated by the Mann–Whitney test. *p < 0.05.