Table 2. Changes in mMRC, KPS, and PS after stenting.

Tumor relative score	Before stenting	After stenting	n	t	P
mMRC	3.51±0.51	2.87±0.50	31	6.892	<0.001
KPS	45.81±15.22	61.93±9.80	31	−11.653	<0.001
PS (All patients)	2.67±0.65	2.58±0.56	31	1.000	0.325
PS (Patients with PS ≥3)	2.00±0.00	2.23±0.44	13	−1.897	0.082
PS (Patients with PS <3)	3.17±0.38	2.83±0.51	18	2.915	0.010

mMRC, Modified British Medical Research Council dyspnea scale; KPS, Karnofsky Performance Score; PS, Eastern Cooperative Oncology Group performance status.