Table 1.
Baseline characteristics by primary treatment assignment of participants in a study to examine the effect of 5 cups per day of black tea on serum cholesterol concentrations (n=57)
| Characteristic | Randomization Assignment | |
|---|---|---|
| Black Tea First (n=30) Mean (SD) |
Placebo First (n=27) Mean (SD) |
|
| % Female | 46.7 | 40.7 |
| Age (years) | 51.7 (5.1) | 53.2 (4.9) |
| BMI | 31.4 (5.8) | 30.0 (6.1) |
| Systolic Blood Pressure (mm Hg) |
130.1 (15.2) | 129.2 (12.0) |
| Total Cholesterol (mg/dl) | 207.2a (27.9) | 206.7 (22.8) |
| HDL-C (mg/dl)* | 38.6a (8.3) | 43.3 (9.2) |
| LDL-C (mg/dl) | 128.0b (20.0) | 133.6c (25.9) |
| VLDL-C (mg/dl) | 44.5a (34.9) | 34.8 (35.7) |
| TG (mg/dl) | 222.7a (174.4) | 174.1 (178.5) |
| AST (U/L)d | 22.6a (7.4) | 24.9 (7.7) |
| Glucose (mg/dl)d | 100.9a (15.1) | 99.1 (8.0) |
| Creatinine (mg/dl)d | 0.9a (0.2) | 1.0 (0.1) |
| Tea (cups per day)d | 1.3 (1.5) | 1.0 (1.4) |
*
p-value<0.05
a
Serum TC, HDL-C, VLDL-C, TG, AST, glucose, and creatinine value not available for 1 participant
b
LDL-C value calculated using Friedewald equation. Cannot be estimated for 5 participants with >400 mg/dl TG (>4.5 mmol/L)
c
LDL-C calculated using Friedewald equation. Cannot be estimated for 2 participants with >400 mg/dl TG (>4.5 mmol/L)
d
Values from eligibility visit.