Table 1 Characteristics of the pooled study population stratified by serum TSH levels
0.3 < TSH ≤ 3.0 mIU/L | TSH ≤ 0.3 mIU/L | TSH > 3.0 mIU/L | |
|---|---|---|---|
(n = 3877) | (n = 200) | (n = 107) | |
Age; years | 52 (41; 63) | 57 (47; 68) | 48 (37; 58) |
Males | 1949 (50.3%) | 85 (42.5%) | 40 (37.4%) |
BMI; kg/m 2 | 27.3 (24.5; 30.6) | 27.7 (24.3; 31.0) | 26.9 (23.6; 30.0) |
Physical activity | 1986 (51.2%) | 86 (43.0%) | 61 (57.0%) |
Former smokers | 1395 (36.0%) | 91 (45.5%) | 35 (32.7%) |
Current smokers | 861 (22.2%) | 33 (16.5%) | 23 (21.5%) |
Systolic blood pressure, mmHg | 128 (116; 140) | 127 (114; 140) | 124 (113; 137) |
Diastolic blood pressure, mmHg | 78 (72; 85) | 79 (72; 85) | 78 (72; 85) |
Beta blocker use | 862 (22.2%) | 58 (29.0%) | 22 (20.6%) |
Thyroid medication use | 363 (9.4%) | 59 (29.5%) | 24 (22.4%) |
Education | |||
- < 10 years | 900 (23.2%) | 69 (34.5%) | 12 (11.2%) |
- = 10 years | 1947 (50.2%) | 96 (48.0%) | 57 (53.3%) |
- > 10 years | 1029 (26.6%) | 35 (17.5%) | 38 (37.5%) |
FEV 1 ; l | 3.2 (2.6; 3.8) | 3.0 (2.5; 3.6) | 3.3 (2.7; 3.8) |
FVC; l | 4.0 (3.3; 4.8) | 3.6 (3.0; 4.4) | 4.0 (3.3; 4.7) |
FEV 1 /FVC; % | 81.8 (77.5; 85.8) | 82.6 (78.4; 86.6) | 81.4 (77.8; 85.3) |
peakVO 2 ; ml/min | 1900 (1500; 2400) | 1703 (1450; 2092) | 1905 (1507; 2450) |
VO 2 @AT; ml/min | 1000 (850; 1200) | 975 (800; 1175) | 950 (850; 1200) |
O 2 HR; ml/beat | 12.8 (10.4; 15.6) | 12.0 (10.5; 15.0) | 12.4 (9.5; 14.9) |
V E vs. VCO 2 slope | 26 (24; 29) | 26 (24; 29) | 26 (24; 29) |
Maximum power; watt | 148 (116; 196) | 132 (116; 164) | 148 (116; 180) |
Exercise duration; minutes | 9.1 (7.2; 11.4) | 8.1 (6.4; 10.1) | 9.1 (7.2; 11.1) |