Table 2.

Short-term outcomes

	NQ (N=49)	Q (N=49)	p value
Operative time, min	199 (112–287)	168 (95–304)	0.029
Blood loss, ml	10 (1–800)	10 (1–560)	0.961
Extent of LND, D1/D2 vs. D3			0.453
D1/D2	12 (24.5%)	8 (16.3%)
D3	37 (75.5%)	41 (83.7%)
Conversion to open surgery	1 (2.0%)	0	1
Complication, grade ≥3	3 (6.1%)	3 (6.1%)	1
Anastomotic leakage	2 (4.1%)	0
Pneumonia	1 (2.0%)	0
Ileus	0	1 (2.0%)
Port site hernia	0	1 (2.0%)
Wound infection	0	1 (2.0%)
Mortality	0	0
Hospitalisation, days	9 (6–74)	10 (5–37)	0.927

Continuous variables are presented as medians with ranges; discrete variables are presented as numbers with percentages

NQ group non-qualified surgeon group, Q group qualified surgeon group, LND lymph node dissection, CD Clavien–Dindo classification, SSI surgical site infection