Table 2. Univariate and multivariate analyses of clinicopathological factors affecting CSS after laparoscopic gastrectomy for gastric cancer.

	Variables	Univariate analysis			Multivariate analysis with GPS			Multivariate analysis with mGPS			Multivariate analysis with HS-mGPS
		HR	95% CI	p value	HR	95% CI	p value	HR	95% CI	p value	HR	95% CI	p value
Age	< 70	1.000
	≥ 70	1.072	0.592–1.940	0.820
Gender	female	1.000
	Male	1.573	0.777–3.185	0.208
BMI	≥ 18.5	1.000
	< 18.5	1.636	0.691–3.871	0.263
Tumor size	< 5	1.000
	≥ 5	3.848	2.013–7.356	< 0.001	1.074	0.484–2.385	0.860	1.142	0.511–2.553	0.746	1.105	0.491–2.485	0.809
Diff.	well & mod	1.000
	Poor	1.899	1.041–3.465	0.037	1.519	0.783–2.948	0.216	1.565	0.809–3.027	0.184	1.521	1.521–2.923	0.209
pSstage	1 & 2	1.000
	3	9.778	5.002–19.113	< 0.001	6.624	2.973–14.757	<0.001	6.941	3.098–15.549	< 0.001	7.063	3.182–15.678	< 0.001
CEA	< 5.0	1.000
	≥ 5.0	2.745	1.511–4.987	< 0.001	2.162	1.165–4.014	0.015	2.207	1.186–4.107	0.013	2.300	1.236–4.279	0.009
GPS	0	1.000
	1	2.308	1.188–4.485	0.014	2.095	1.025–4.283	0.043
	2	6.442	3.087–13.441	< 0.001	2.812	1.111–7.116	0.029
mGPS	0	1.000						1.000
	1	2.258	0.698–7.302	0.174
	2	6.442	3.087–13.441	< 0.001				2.241	0.926–5.426	0.074
HS-mGPS	0	1.000									1.000
	1	1.253	0.530–2.965	0.607
	2	5.120	2.585–10.142	< 0.001							2.040	0.917–4.535	0.080
Complication	Absent	1.000
	Present	1.802	0.981–3.310	0.058