Research Article

Clinical Study of Airway Stent Implantation in the Treatment of Patients with Malignant Central Airway Obstruction

Table 2

Log-rank analysis results of 98 MCAO patients after stent placement.

Featuren(95% CI) (month) value

Gender0.562
Male749.97 (6.68–13.25)
Female2413.79 (6.24–21.33)
Age0.809
>60 years old7211.59 (7.72–15.46)
≤60 years old269.09 (4.64–13.55)
With hypertension0.685
No529.67 (5.53–13.81)
Yes4612.00 (7.49–16.51)
With diabetes0.632
No8711.38 (7.98–14.78)
Yes118.09 (1.48–14.70)
Primary disease0.044
Lung cancer538.28 (5.12–11.44)
Esophageal cancer2211.33 (4.24–18.43)
Other∗2320.58 (9.64–31.53)
ECOG PS score0.021
0–2 points8012.35 (8.83–15.86)
3–4 points183.85 (0.96–6.73)
Treatment after stent placement0.371
No treatment2211.82 (3.09–20.55)
Chemotherapy218.51 (4.01–13.00)
Radiotherapy1415.33 (3.58–27.09)
Chemotherapy3111.61 (6.57–16.64)
Only receive supportive care75.00 (0.35–9.66)
Stent<0.001
Trachea4615.23 (9.94–20.51)
Left main bronchus194.95 (2.13–7.77)
Right main bronchus218.63 (5.34–11.91)
Other81.25 (0.45–2.05)
Hb (g/L)0.007
<110345.48 (3.24–7.72)
≥1106414.16 (9.37–18.94)
ALB (g/L)<0.001
<40606.64 (4.53–8.75)
≥403823.22 (13.25–33.20)
Featuren(95% CI) (month) value
LDH (µg/L)0.082
<2506812.21 (8.39–16.40)
≥250305.51 (1.97–12.99)

∗Other diseases included airway stenosis, esophagotracheal fistula, lung infection, thyroid cancer, laryngeal cancer, tracheal space occupying, bronchial adenoid cystic carcinoma, mantle cell lymphoma. Other diseases included right middle bronchus, left main bronchus + right main Bronchus, and right middle bronchus + right distal bronchi. Hb: hemoglobin; ALB: albumin; LDH: serum lactate dehydrogenase.