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 2
Univariate analysis for 28-day mortality in critically ill patients with paralytic intestinal obstruction.
Characteristic
Statistics
OR (95%CI)
value
RDW start
15.4 (2.1)
1.25 (1.15, 1.36)
<0.001
Age (years)
62.8 (16.1)
1.02 (1.01, 1.03)
0.001
Sex, n (%)
Male
497 (64.3)
Reference
Female
276 (35.7)
0.99 (0.66, 1.47)
0.944
Admission type, n (%)
Emergency
576 (74.5)
Reference
Elective
197 (25.5)
0.72 (0.45, 1.14)
0.158
Ethnicity, n (%)
White
565 (73.1)
Reference
Asian
22 (2.8)
0.78 (0.23, 2.69)
0.696
Black
71 (9.2)
0.81 (0.40, 1.64)
0.56
Others
115 (14.9)
0.98 (0.57, 1.68)
0.939
DBP (mmHg)
61.3 (10.4)
0.99 (0.97, 1.01)
0.212
SBP (mmHg)
118.0 (17.0)
0.98 (0.97, 1.00)
0.014
Laboratory parameters
Hematocrit (%)
31.4 (5.2)
0.95 (0.91, 0.99)
0.015
Serum potassium (mEq/L)
4.2 (0.6)
0.91 (0.65, 1.26)
0.553
BUN (mg/dL)
20.5 (14.0–34.0)
1.00 (0.99, 1.01)
0.548
White blood cell count (K/uL)
11.0 (8.1–16.0)
1.00 (0.98, 1.02)
0.899
Platelet count (K/uL)
202.0 (137.0–275.0)
1.00 (1.00, 1.00)
0.077
Hemoglobin (g/dL)
10.6 (1.8)
0.83 (0.74, 0.94)
0.002
Serum glucose (mg/dL)
139.8 (53.7)
0.99 (0.99, 1.00)
0.009
Serum creatinine (mg/dL)
1.0 (0.8–1.6)
0.99 (0.87, 1.14)
0.902
Serum anion gap (mEq/L)
13.9 (3.7)
1.01 (0.96, 1.07)
0.577
Scoring systems
APS III
50.8 (22.3)
1.01 (1.00, 1.02)
0.059
OASIS
33.5 (9.1)
1.04 (1.02, 1.06)
<0.001
qSOFA
1.8 (0.7)
1.20 (0.91, 1.58)
0.191
MLODS
3.0 (1.0–5.0)
1.07 (1.00, 1.14)
0.068
Comorbidities
Congestive heart failure, n (%)
No
615 (79.6)
Reference
Yes
158 (20.4)
1.96 (1.28, 3.01)
0.002
Hypertension, n (%)
No
678 (87.7)
Reference
Yes
95 (12.3)
0.86 (0.47, 1.58)
0.635
Renal failure, n (%)
No
659 (85.3)
Reference
Yes
114 (14.7)
1.10 (0.65, 1.86)
0.728
Liver disease, n (%)
No
687 (88.9)
Reference
Yes
86 (11.1)
2.05 (1.22, 3.45)
0.007
Coagulopathy, n (%)
No
605 (78.3)
Reference
Yes
168 (21.7)
1.95 (1.28, 2.96)
0.002
Chronic pulmonary disease, n (%)
No
602 (77.9)
Reference
Yes
171 (22.1)
1.57 (1.02, 2.41)
0.038
Pulmonary circulation, n (%)
No
Reference
Yes
54 (7.0)
1.17 (0.57, 2.39)
0.668
Time in ICU (days)
3.9 (2.0–8.7)
1.03 (1.01, 1.04)
0.76
Time in hospital (days)
15.1 (9.8–25.0)
1.02 (1.01, 1.03)
<0.001
Notes: normally distributed data are presented as the mean (SD) (analysis of variance); non-normally distributed data are presented as median (IQR) (nonparametric Wilcoxon test); categorical variables are presented as n (%) (Chi-square test). Abbreviations: RDW, red cell distribution width; BUN, blood urea nitrogen; SBP, systolic blood pressure; DBP, diastolic blood pressure; APS III, acute Physiology Score III; OASIS, Oxford acute severity of illness score; qSOFA, quick sequential organ failure assessment score; MLODS, modified logistic organ dysfunction system; ICU, intensive care unit; SD, standard deviation; IQR, interquartile ranges.
