Table 2.
Patient characteristics.
| Group A (n = 27) | Group B (n = 22) | P-value | |
|---|---|---|---|
| Age (year) | 63.5 ± 1.6 | 62.0 ± 1.7 | 0.3925a |
| Sex (male/female) | 11/16 | 9/13 | 0.9905b |
| Smoking (yes/no) | 2/25 | 1/21 | 0.6740b |
| Alcohol intake (yes/no) | 12/15 | 11/11 | 0.6983b |
| BMI (kg/m2) | 24.1 ± 0.6 | 22.8 ± 0.6 | 0.3149a |
| Waist circumference (cm) | |||
| Male | 91.5 ± 3.1 | 83.0 ± 1.6 | 0.0435∗a |
| Female | 81.6 ± 1.7 | 82.5 ± 2.7 | 0.9649a |
| SBP (mmHg) | 126.3 ± 3.2 | 123.8 ± 2.6 | 0.7096a |
| DBP (mmHg) | 76.3 ± 2.5 | 75.7 ± 2.2 | 0.5938a |
| TG (mg/dL) | 129.2 ± 14.6 | 128.3 ± 14.7 | 0.6802a |
| HDL-cholesterol (mg/dL) | 65.4 ± 3.8 | 60.4 ± 3.2 | 0.2515a |
| FPG (mg/dL) | 103.7 ± 3.3 | 101.4 ± 2.6 | 0.9278a |
| Central obesity (yes/no) | 11/16 | 7/15 | 0.5193b |
| High blood pressure (yes/no) | 16/11 | 13/9 | 0.9905b |
| Dyslipidemia (yes/no) | 12/15 | 11/11 | 0.6983b |
| Hyperglycemia (yes/no) | 8/19 | 7/15 | 0.8687b |
| Concomitant drugs | |||
| Calcium channel blocker (yes/no) | 8/19 | 7/15 | 0.8687b |
| ARB or ACE inhibitor (yes/no) | 3/24 | 4/18 | 0.4817b |
| α or β blocker (yes/no) | 3/24 | 1/21 | 0.4038b |
| Statin (yes/no) | 11/16 | 8/14 | 0.7544b |
| Fibrate (yes/no) | 1/26 | 0/22 | 0.3618b |
| Sulfonylurea (yes/no) | 3/24 | 1/21 | 0.4038b |
| Thiazolidine analog (yes/no) | 3/24 | 0/22 | 0.1066b |
| α-glucosidase inhibitor (yes/no) | 2/25 | 1/21 | 0.6777b |
| Antiplatelet drug (yes/no) | 1/26 | 0/22 | 0.3618b |
| Season test 1 performed | 6/14/5/2 | 9/5/8/0 | 0.0682b |
| (Spring/Summer/Fall/Winter) |
BMI: body mass index; SBP: systolic blood pressure; DBP: diastolic blood pressure; TG: triglyceride; HDL: high-density lipoprotein; FPG: fasting plasma glucose; central obesity, waist circumference ≥ 85 cm (male), ≥90 cm (female); high blood pressure, SBP ≥ 130 mmHg and/or DBP ≥ 85 mmHg; dyslipidemia, TG ≥ 150 mg/dL and/or HDL cholesterol < 40 mg/dL; hyperglycemia, FPG ≥ 110 mg/dL; ARB: angiotensin II receptor blocker; ACE: angiotensin-converting enzyme; Spring: March 21 to June 20; Summer: June 21 to September 21; Fall: September 21 to December 20; Winter: December 21 to March 20.
aComparison between group A and group B by Wilcoxon test.
bComparison between group A and group B by Pearson's chi-square test.
Data are expressed as mean ± S.E., *P < 0.05.