Robot-assisted surgery for gastric cancer

Table 3 Main postoperative outcomes in studies reporting use of robotic surgery for gastric cancer

Ref.	Time to first flatus (d)	Time to oral feeding (d)	Postoperative hospital stay (d)	Morbidity (%)	Mortality (%)	Follow up time (mo)
Patriti et al[21]			11.2	41.4	0	12.2
Lee et al[22]	2.4	4.6	6.6	8.3	0
D'Annibale et al[23]		5	6	2	0	48
Isogaki et al[24]				4	1
Kim et al[25]			6	0	0
Liu et al[26]	2.5	4.1	6.2	11.8	0
Park et al[27]			8	19	1
Tokunaga et al[28]			8	22.22
Anderson et al[29]		4 (2-8)	4 (3-9)	14.3
Song et al[30]	2.9 ± 0.5	4.2	7.8	13	0
Hur et al[31]
Uyama et al[32]		3.56	12.1	8	0	11
Yu et al[33]	3.1	3.7		4.8	0	11
Jiang et al[34]			6.3	5	0
Hyung et al[18]	Recent L > Initial L > R 3.3 > 3.1 > 2.9	Initial L > Recent L > R 4.8 > 4.3 > 4	Initial L > R = Recent L 6.9 > 6 = 6
Song et al[19]	Recent L > Initial L = R 3.25 > 3 = 3	Initial L > Recent L > R 4.95 > 4.1 > 4	Initial L > Recent L > R 7.7 > 6.2 > 5.7	Recent L > Initial L = R 10 > 5 = 5
Pugliese et al[35]			R = L 10 = 10	L > R 12.5 > 6.2	R > L 6.2 > 2	53
Woo et al[17]			R > L 7.7 > 7 ss	L > R 13.7 > 11	R approximately equal L 0.3 approximately equal 0.4
Eom et al[36]	R = L 3.4 = 3.4		R approximately equal L 7.9 approximatelyequal 7.8	R > L 13 > 6
Park et al[37]				R > L 17 > 7.5	R = L 0 = 0
Yoon et al[38]	L > R 4.9 > 4.2		L > R 10.3 > 8.8	R > L 16.7 > 15.4
Kang et al[39]			R > L 9.8 > 8.1 ss	R > L 14 > 10.3	R = L 0 = 0
Hyun et al[40]			L > R 11.9 > 10.5	R > L 47.3 > 38.5	R = L 0 = 0
Noshiro et al[41]			L > R 13 > 8 ss	L > R 10 > 9.5	0
Han et al[42]		L > R 5 > 4.4	L > R 9.1 > 8.6	L > R 22.1 > 19.1	R = L 0 = 0	R > L 22.7 > 19.3
Junfeng et al[43]	L > R 3.3 > 3.1	L > R 4.1 > 3.9	L approximately equal R 7.9 approximately equal 7.8	R > L 5.8 > 4.3	R > L 32.2 > 30.1	L > R 19 > 15
Kim et al[44]			R > L 7.1 > 6.7	R > L 5.2 > 4.2	L > R 0.6 > 0
Kim et al[45]	L > O > R 3.6 > 3.4 > 3.2		O > L > R 6.7 > 6.5 > 5.1 ss		R = L 0 = 0
Huang et al[46]				L > R > O 15.6 > 15.4 > 14.7
Kim et al[47]		O > L > R 5.7 > 4.7 > 4.4 ss	O > L > R 10.2 > 7.8 > 7.5 ss	O > R > L 10.7 > 10.1 > 934	0.4 ND
Pernazza et al[48]				R > O 24.5 > 13.3	O > R 8.9 > 4.4	R = O 26 = 26
Caruso et al[49]			O > R 13.4 > 9.6	O > R 42.5 > 41.4	O > R 3.3 > 0	O > R 44 > 25
Procopiuc et al[50]			O > R 11.04 > 8.1 ss	O > R 27.58 > 22.22	O = R 0 = 0	O > R 31.6 > 24.7

R: Robotic surgery; L: Laparoscopic surgery; O: Open surgery; TG: Total gastrectomy; DG: Distal gastrectomy; ss: Statistically significant; ND: No statistical difference.