Table 1 Baseline characteristics of thyroid cancer patients stratified by sleep duration.
Variable | Overall (n = 1204) | Short sleep (≤ 6 h, n = 420) | Normal sleep (7–8 h, n = 532) | Long sleep (≥ 9 h, n = 252) | p-value |
|---|---|---|---|---|---|
Sex, n (%) | |||||
Female | 856 (71.1) | 303 (72.1) | 366 (68.8) | 187 (74.2) | 0.249 |
Male | 348 (28.9) | 117 (27.9) | 166 (31.2) | 65 (25.8) | |
Hypertension, n (%) | |||||
No | 683 (56.7) | 229 (54.5) | 316 (59.4) | 138 (54.8) | 0.25 |
Yes | 521 (43.3) | 191 (45.5) | 216 (40.6) | 114 (45.2) | |
Diabetes, n (%) | |||||
No | 954 (79.2) | 335 (79.8) | 430 (80.8) | 189 (75.0) | 0.162 |
Yes | 250 (20.8) | 85 (20.2) | 102 (19.2) | 63 (25.0) | |
Stroke, n (%) | |||||
No | 1166 (96.8) | 410 (97.6) | 513 (96.4) | 243 (96.4) | 0.53 |
Yes | 38 (3.2) | 10 (2.4) | 19 (3.6) | 9 (3.6) | |
Age, years | 56.8 ± 8.2 | 54.8 ± 7.4 | 56.5 ± 8.2 | 60.8 ± 8.0 | < 0.001 |
BMI, kg/m2 | 25.6 ± 2.9 | 26.5 ± 2.8 | 25.3 ± 2.8 | 24.6 ± 2.8 | < 0.001 |
Cotinine, ng/mL | 90.0 ± 30.5 | 90.3 ± 30.4 | 91.8 ± 30.0 | 85.6 ± 31.3 | 0.029 |
TSH, mIU/L | 2.94 ± 0.65 | 3.14 ± 0.58 | 2.66 ± 0.62 | 3.21 ± 0.60 | < 0.001 |
T3, ng/dL | 1.46 ± 0.12 | 1.44 ± 0.12 | 1.48 ± 0.12 | 1.45 ± 0.11 | < 0.001 |
T4, µg/dL | 8.22 ± 0.92 | 8.05 ± 0.91 | 8.36 ± 0.90 | 8.21 ± 0.94 | < 0.001 |
