Relationship of Red Blood Cell Distribution Width with Cancer Mortality in Hospital

Table 3

Subgroup analysis of the associations between cancers mortality and the RDW.

RDW	N	OR (95% Cls)	P value
Age, years
19.3 - 61.0	1143	1.24 (1.17, 1.30)	<0.0001
61.0 - 74.3	1143	1.15 (1.09, 1.22)	<0.0001
74.3 - 91.4	1144	1.08 (1.02, 1.14)	0.0066
Sex, n (%)
Male	1530	1.16 (1.11, 1.21)	<0.0001
Female	1900	1.15 (1.10, 1.20)	<0.0001
Ethnicity, n (%)
White	261	1.20 (1.08, 1.34)	0.0007
Black	2520	1.16 (1.11, 1.20)	<0.0001
Other	649	1.15 (1.08, 1.24)	0.0001
SBP, mmHg
71.5 - 108.3	1139	1.16 (1.11, 1.22)	<0.0001
108.3 - 122.9	1140	1.16 (1.09, 1.23)	<0.0001
122.9 - 176.6	1140	1.10 (1.04, 1.17)	0.0013
DBP, mmHg
27.9 - 55.8	1139	1.18 (1.12, 1.25)	<0.0001
55.8 - 64.4	1138	1.12 (1.06, 1.18)	<0.0001
64.4 - 103.8	1141	1.15 (1.09, 1.22)	<0.0001
Hematocrit, %
18.1 - 31.1	1120	1.09 (1.04, 1.14)	0.0007
31.2 - 35.9	1130	1.20 (1.13, 1.27)	<0.0001
36 - 66.7	1179	1.24 (1.16, 1.33)	<0.0001
Hemoglobin, g/dl
6.1 - 10.3	1126	1.08 (1.03, 1.14)	0.0012
10.4 - 12	1141	1.19 (1.13, 1.27)	<0.0001
12.1 - 21.5	1162	1.22 (1.13, 1.31)	<0.0001
Respiratory rate, beats/minute
9.9 - 17.2	1139	1.22 (1.14, 1.30)	<0.0001
17.2 - 20.8	1138	1.12 (1.06, 1.19)	0.0001
20.8 - 42.2	1139	1.12 (1.07, 1.18)	<0.0001
Serum bicarbonate, mmol/L
6 - 22	945	1.13 (1.07, 1.19)	<0.0001
23 - 25	1078	1.23 (1.15, 1.31)	<0.0001
26 - 46	1403	1.11 (1.05, 1.16)	0.0001
Congestive heart failure
0	3018	1.16 (1.13, 1.20)	<0.0001
1	412	1.11 (1.01, 1.22)	0.0362
Atrial fibrillation
0	2478	1.17 (1.13, 1.22)	<0.0001
1	952	1.11 (1.05, 1.18)	0.0004
COPD
0	3337	1.16 (1.13, 1.20)	<0.0001
1	93	0.99 (0.78, 1.24)	0.9016
Respiratory failure
0	1995	1.16 (1.10, 1.22)	<0.0001
1	1435	1.17 (1.12, 1.22)	<0.0001
ARDS
0	3351	1.15 (1.12, 1.19)	<0.0001
1	79	1.30 (1.07, 1.56)	0.0069
Pneumonia
0	2392	1.18 (1.13, 1.23)	<0.0001
1	1038	1.13 (1.07, 1.19)	<0.0001
Valvular disease
0	2160	1.13 (1.08, 1.18)	<0.0001
1	1270	1.20 (1.14, 1.26)	<0.0001
CAD
0	2907	1.16 (1.12, 1.20)	<0.0001
1	523	1.13 (1.03, 1.23)	0.0102
Stroke
0	3145	1.16 (1.12, 1.20)	<0.0001
1	285	1.15 (1.03, 1.29)	0.0107
Renal disease
0	3075	1.16 (1.12, 1.20)	<0.0001
1	355	1.13 (1.02, 1.24)	0.0192
Liver disease
0	3213	1.16 (1.12, 1.20)	<0.0001
1	217	1.13 (1.01, 1.26)	0.0343
Renal replace therapy
0	3259	1.16 (1.12, 1.20)	<0.0001
1	171	1.06 (0.96, 1.18)	0.2569

SBP: systolic blood pressure, DBP: diastolic blood pressure, COPD: chronic obstructive pulmonary disease, ARDS: acute respiratory distress syndrome, and CAD: coronary atherosclerotic heart disease.
ORs (95% CIs) were derived from logistic regression analysis models.