Table 1– Clinical characteristics and outcomes of patients with intentional sublobar resection

First author [ref.]	Study design	Patients n	Stage	Mean tumour size cm	Follow-up months	Mode of sublobar resection	Mortality %	Intraoperative mediastinal lymph node evaluation %	Overall 5-year survival %	Local recurrence %
Ginsburg [32]	Prospective	122	IA	Not reported	Not reported	Segmentectomy: n=82 Wedge resection: n=40	0.8	100	At 4 years: 60	18
Kodama [33]	Retrospective	46	IA	1.7	Median: 30	Segmentectomy	0	89	93	8.7
Tsubota [34]	Prospective	55	IA (T1a)	1.7	Mean: 47.2	Segmentectomy	0	100	91	2
Okada [35]	Prospective	305^#	IA (T1a)	1.6	Median: 72	Segmentectomy: n=230 Wedge resection: n=30	Not reported	100	89.6	4.9
Koike [36]	Prospective	223	IA (T1a)	Not reported	Median: 70	Segmentectomy	Not reported	100	89.6	3.6
Tsutani [37]	Retrospective	98	IA	1.7	Median: 43.2	Segmentectomy	0	Not reported	At 3 years: 96.9	3