Table 4.

Univariate survival–categorical measurements

	N	Deaths	Median S(t) (95% CI)	6-mo S(t) (%)	12-m S(t) (%)	Log-rank, P value
Overall	131	91	6.9 (5.3, 9.1)	53.4	28.0	–
Diagnosis
Pancreas	46	37	5.0 (3.4, 7.3)	41.1	14.9	10.2, P = 0.006
Esophagus	60	37	9.3 (7.2, 12.6)	65.6	39.8
Gastric	25	17	5.9 (4.0, 10.6)	46.9	25.0
WHO performance status
0/1	83	51	9.1 (6.9, 10.7)	64.6	34.2	28.7, P < 0.001
2	34	28	5.1 (3.9, 8.5)	41.3	20.6
3	12	11	2.4 (1.0, 4.8)	11.1	0
Tumor grade
1/2	39	25	6.9 (5.4, 12.1)	58.6	36.9	0.54, P = 0.46
3	73	54	7.2 (4.8, 9.2)	52.8	26.7
AJCC stage 2010
II/III	44	25	10.1 (6.3, 12.6)	65.0	40.6	6.9, P = 0.008
IV	84	64	5.4 (4.2, 7.3)	46.6	21.7
Weight loss
None	43	26	9.4 (6.9, 12.3)	67.8	41.1	7.7, P = 0.022
≤10%	36	28	8.5 (5.3, 10.2)	61.2	25.9
>10%	47	34	4.8 (3.7, 6.9)	36.3	19.2
Smoking status
Current	24	17	5.7 (2.7, 9.3)	49.4	26.3	0.75, P = 0.69
Ex-smoker	51	35	8.1 (5.1, 11.2)	60.1	32.1
Never	43	30	7.2 (5.1, 10.1)	55.6	25.1
Prior treatment
No	89	59	6.9 (5.1, 9.2)	55.3	27.1	0.2, P = 0.68
Yes	42	32	5.4 (3.6, 9.4)	49.3	29.0
Subsequent treatment
No	25	20	5.4 (2.2, 10.1)	45.9	21.0	1.3, P = 0.25
Yes	106	71	7.2 (5.4, 9.1)	55.0	29.6
MDSC
≤2.0%	80	48	9.3 (6.3, 12.1)	63.2	39.0	16.1, P < 0.001
>2.0%	43	38	4.6 (2.2, 6.0)	36.6	10.4

S(t) survival