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) |
Median, 25th, and 75th percentile (continuous variables); absolute numbers and percentages (categorical variables).