The red distribution width and the platelet distribution width as prognostic predictors in gastric cancer

BMC Gastroenterology

Table 1 Comparison of clinicopathological parameters of 227 patients with GC between high and low groups in terms of RDW and PDW

Characteristics	Cases (n)	RDW < 13 n(%)	RDW ≥ 13 n(%)	P value^a	PDW < 11.5 n(%)	PDW ≥ 11.5 n(%)	P Value^a
Gender				0.467			0.039
Male	176	83(75.5)	93(79.5)		91(83.5)	85(72.0)
Female	51	27(24.5)	24(20.5)		18(16.5)	33(28.0)
Age(years)				< 0.001			0.007
< 60	119	76(69.1)	43(36.8)		47(43.1)	72(61.0)
≥ 60	108	34(30.9)	74(63.2)		62(56.9)	46(39.0)
Tumor diameter (cm)				0.001			0.005
≤ 4	101	61(55.5)	40(34.2)		38(34.9)	63(53.4)
> 4	116	49(44.5)	77(65.8)		71(65.1)	55(46.6)
Differentiation				0.569			0.785
Well	7	3(2.7)	4(3.4)		3(2.8)	4(3.4)
Moderate	71	31(28.2)	40(34.2)		32(29.4)	39(33.1)
Poor	149	76(69.1)	73(62.4)		74(67.9)	75(63.6)
Depth of tumor				0.008			0.047
T1 + T2	64	40(36.4)	24(20.5)		24(22.0)	40(33.9)
T3 + T4	163	70(63.6)	93(79.5)		85(78.0)	78(66.1)
Lymph node metastasis				0.014			0.085
N0	73	44(40.0)	29(24.8)		29(26.6)	44(37.3)
N1 + N2 + N3	154	66(60.0)	88(75.2)		80(73.4)	74(62.7)
Distance metastasis				0.257			0.417
M0	194	91(82.7)	103(88.0)		91(83.5)	103(87.3)
M1	33	19(17.3)	14(12.0)		18(16.5)	15(12.7)
pStage				0.111			0.131
I + II	83	46(41.8)	37(31.6)		36(33.1)	47(39.8)
III + IV	144	64(58.2)	80(68.4)		73(66.9)	71(60.2)
CEA(ng/ml)				0.250			0.004
≤ 5	188	92(87.6)	96(82.1)		83(78.3)	105(92.1)
> 5	34	13(12.4)	21(17.9)		23(21.7)	9(7.9)
CA125(U/ml)				0.553			0.041
≤ 35	181	85(94.4)	96(92.3)		86(89.6)	95(96.9)
> 35	13	5(5.6)	8(7.7)		10(10.4)	3(3.1)
CA199(U/ml)				0.563			0.637
≤ 39	183	84(85.7)	99(88.4)		86(86.0)	97(88.2)
> 39	27	14(14.3)	13(11.6)		14(14.0)	13(11.8)

Abbreviations: RDW red blood cell distribution width, PDW platelet distribution width, CEA carcinoembryonic antigen, CA125 carbohydrate antigen 125, CA199 carbohydrate antigen 199
^aValue was calculated by χ² test

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