Additional laparoscopic gastrectomy after noncurative endoscopic submucosal dissection for early gastric cancer: A single-center experience

Table 1 Demographic characteristics of the patients

Characteristic	All patients (n = 45)
	Number	Percent
Age (yr)	58.24 ± 9.3
Gender
Male	34	75.6
Female	11	24.4
Abdominal operation history
Yes	8	17.8
No	37	82.2
ASA score
I-II	34	75.6
III-IV	11	24.4
Comorbidity
Any comorbidity	15	33.3
Hypertension	10	22.2
Diabetes	5	10.5
Coronary artery disease	2	11.1
Others	4	8.9
Surgical indication
Vertical margin positive	29	64.4
SM2	31	68.9
Horizontal margin positive	7	15.6
Lymphovascular invasion	19	42.2
Undifferentiated type	14	31.1
Suspected recurrence 3 mo after ESD	2	4.4
Interval (d)	47 ± 26
RC
Yes	10	22.2
No	35	77.8
LNM
Yes	5	11.1
No	40	88.9
Depth of invasion
T1a	9	20.0
T1b SM1	5	11.1
T1b SM2	26	57.8
T2	2	4.4
T3	3	6.7

RC: Residual cancer; LNM: Lymph node metastasis; ASA: American Society of Anesthesiologists; ESD: Endoscopic submucosal dissection.