Table 1.

Baseline patient characteristics

Characteristic	MWA group (%)	Lobectomy group (%)	P *
No. of patients	46	85	—
Gender
Female	24 (52.13)	45 (52.94)	0.061
Male	22 (47.87)	40 (47.06)	0.059
Age (years)
< 50	8 (17.39)	16 (18.82)	0.072
50–70	25 (54.35)	45 (52.94)	0.069
> 70	13 (28.26)	24 (28.24)	0.062
T stage
T1a	4 (8.70)	8 (9.41)	0.072
T1b	11 (23.91)	21 (24.71)	0.058
T1c	31 (67.39)	56 (65.88)	0.087
Symptoms
Cough	10 (21.74)	19 (22.35)	0.076
Bloody sputum	7 (15.22)	13 (15.29)	0.081
Asymptomatic	29 (63.04)	53 (62.35)	0.068
Pathology
SCC	21 (45.65)	40 (47.06)	0.077
Adenocarcinoma	18 (39.13)	35 (41.18)	0.082
Large cell lung cancer	7 (15.22)	10 (11.76)	0.057
Pathology method
Percutaneous biology	29 (63.04)	55 (64.71)	0.062
Bronchoscopy	2 (4.25)	4 (4.71)	0.076
Sputum cytology	15 (32.61)	26 (30.59)	0.071

^* Paired t‐test.

MWA, microwave ablation; SCC, squamous cell carcinoma.