| |
Laboratory confirmed influenzaa
|
Clinically defined influenzab
|
|---|
|
Variables
|
OR (95% CI)c
|
P Valuec
|
OR (95% CI)c
|
P Valuec
|
HR (95% CI)d
|
P Valued
|
|---|
|
Allocation
| | | | | | |
|
Catechin/Theanine
|
0.17 (0.01 to 1.10)
|
0.11
|
0.25 (0.07 to 0.76)
|
0.02
|
0.27 (0.09 to 0.84)
|
0.02
|
|
Placebo
|
1 [Reference]
| |
1 [Reference]
| |
1 [Reference]
| |
|
Age
|
0.98 (0.91 to 1.04)
|
0.48
|
0.95 (0.91 to 0.99)
|
0.03
|
0.96 (0.92 to 1.00)
|
0.04
|
|
BMI
|
0.89 (0.63 to 1.16)
|
0.43
|
0.95 (0.79 to 1.11)
|
0.53
|
0.97 (0.83 to 1.13)
|
0.66
|
- Abbreviations: OR, odds ratio; CI, confidence interval; HR, hazard ratio; BMI, body mass index.
-
a Laboratory-confirmed influenza infection with viral antigen detected by immunochromatographic assay.
-
b Clinically defined influenza was diagnosed as fever (temperature, ≥37.8°C) and any 2 of the following clinical symptoms: cough, sore throat, headache, or myalgia.
-
c OR and P values were estimated using multiple logistic regression.
-
d HR and P values were estimated using the Cox proportional hazards regression model.
