Dissimilar survival and clinicopathological characteristics of mucinous adenocarcinoma located in pancreatic head and body/tail

Table 1 Baseline characteristics of two patient groups, n (%)

	PBTG (n = 112)	PHG (n = 159)	Overall (n = 271)	P value
Age, yr
< 65	39 (34.8)	66 (41.5)	105 (38.7)	0.538
≥ 65	73 (65.2)	93 (58.5)	166 (61.3)
Race
Black	15 (13.4)	17 (10.7)	32 (11.8)	0.443
Other	20 (17.9)	17 (10.7)	37 (13.7)
White	77 (68.8)	125 (78.6)	202 (74.5)
Sex
Female	67 (59.8)	65 (40.9)	132 (48.7)	0.009
Male	45 (40.2)	94 (59.1)	139 (51.3)
Grade
G1 + G2	35 (31.3)	70 (44.0)	105 (38.7)	0.041
G3 + G4	11 (9.8)	26 (16.4)	37 (13.7)
Unknown	66 (58.9)	63 (39.6)	129 (47.6)
Stage
I	10 (8.9)	18 (11.3)	28 (10.3)	< 0.001
II	28 (25.0)	82 (51.6)	110 (40.6)
III	9 (8.0)	6 (3.8)	15 (5.5)
IV	65 (58.0)	53 (33.3)	118 (43.5)
T
T1	11 (9.8)	15 (9.4)	26 (9.6)	0.209
T2	26 (23.2)	34 (21.4)	60 (22.1)
T3	49 (43.8)	93 (58.5)	142 (52.4)
T4	26 (23.2)	16 (10.1)	42 (15.5)
T0	0 (0)	1 (0.6)	1 (0.4)
N
N0	67 (59.8)	83 (52.2)	150 (55.4)	0.462
N1	45 (40.2)	76 (47.8)	121 (44.6)
M
M0	47 (42.0)	106 (66.7)	153 (56.5)	< 0.001
M1	65 (58.0)	53 (33.3)	118 (43.5)
Primary malignancy
No	23 (20.5)	36 (22.6)	59 (21.8)	0.918
Yes	89 (79.5)	123 (77.4)	212 (78.2)
OS, mo
mean (SD)	14.6 (18.5)	24.1 (21.2)	20.2 (20.6)	< 0.001
Median [Min, Max]	7.50 [0, 87.0]	18.0 [0, 95.0]	13.0 [0, 95.0]

PBTG: Pancreatic body/tail group; PHG: Pancreatic head group.