Association between Red Blood Cell Distribution Width and Short-Term Mortality in Patients with Paralytic Intestinal Obstruction: Retrospective Data Analysis Based on the MIMIC-III Database

Table 4

Effect size of RDW on 28 day mortality in prespecified and exploratory subgroups.

Characteristic	No of participants	OR (95%CI)	P for interaction
Age (years)			0.791
≤65	370	1.25 (1.09, 1.42)
>65	403	1.28 (1.14, 1.42)
Sex, n			0.571
Male	497	1.28 (1.15, 1.42)
Female	276	1.22 (1.06, 1.40)
Admission type, n			0.282
Emergency	576	1.28 (1.16, 1.40)
Elective	197	1.13 (0.91, 1.39)
Ethnicity, n			0.277
White	565	1.23 (1.12, 1.36)
Asian	22	2.40 (0.96, 6.01)
Black	71	1.42 (1.08, 1.88)
Others	115	1.21 (0.99, 1.49)
Congestive heart failure, n			0.355
No	615	1.27 (1.15, 1.39)
Yes	158	1.15 (0.96, 1.38)
Hypertension, n			0.751
No	678	1.26 (1.15, 1.38)
Yes	95	1.31 (1.03, 1.66)
Renal failure, n			0.263
No	659	1.23 (1.12, 1.35)
Yes	114	1.40 (1.14, 1.72)
Liver disease, n			0.481
No	687	1.26 (1.14, 1.39)
Yes	86	1.16 (0.96, 1.41)
Coagulopathy, n			0.184
No	605	1.28 (1.15, 1.43)
Yes	168	1.13 (0.97, 1.31)
Chronic pulmonary disease, n			0.995
No	602	1.26 (1.14, 1.38)
Yes	171	1.26 (1.05, 1.50)
Pulmonary circulation, n			0.656
No	719	1.27 (1.16, 1.38)
Yes	54	1.19 (0.92, 1.54)

Notes: things presented in this table are results for unadjusted variables. Abbreviations: DW, red cell distribution width; CI, confidence interval; OR, odds ratio.