Development and Validation of a Multivariable Predictive Model for Mortality of COVID-19 Patients Demanding High Oxygen Flow at Admission to ICU: AIDA Score
Table 1
Characteristics of patients in both development and validation cohorts.
Patient characteristics
Development cohort ()
Validation cohort ()
Difference
95% CI for the difference
Gender,(%)
Male
110 (68.8)
206 (67.8)
-0.010
-0.100 to 0.080
Female
50 (31.3)
98 (32.2)
Age,
-1.559
-4.067 to 0.949
CT score,
1.394
0.009 to 2.778
Mechanic ventilation, (%)
107 (66.9)
209 (69.0)
-0.021
-0.111 to 0.069
Comorbidities,(%)
Hypertension
109 (69.4)
203 (66.8)
0.027
-0.064 to 0.117
Diabetes
52 (33.1)
94 (31.0)
0.021
-0.069 to 0.111
Obesity
14 (8.9)
62 (20.4)
-0.115
-0.168 to -0.044
HOBP
8 (5.1)
13 (4.3)
0.008
-0.032 to 0.049
Asthma
6 (3.8)
14 (4.6)
-0.008
-0.047 to 0.032
Coronary disease
28 (17.8)
61 (20.1)
-0.022
-0.099 to 0.054
Cardiomyopathy
14 (8.9)
24 (7.9)
0.010
-0.043 to 0.063
Total number of patients with comorbidities, (%)
120 (75.9)
235 (77.3)
-0.014
-0.095 to 0.068
Total number of patients with 2+ comorbidities, (%)