Table 1 Median (95% intervals) of serum TSH, T4 and T3 levels according to age and gender in Khartoum, Sudan
From: Reference intervals of thyroid hormones in Khartoum, Sudan
Age groups, in years | Number | TSH, mIU/L | T4, nmol/L | T3 mIU/L |
|---|---|---|---|---|
20–30 | 63 | 1.3 (0.5–3.5) | 71.0 (29.8–81.0) | 1.4 (0.8– 2.6) |
31–40 | 61 | 1.3 (0.5–3.3) | 87.0 (82.0–91.0) | 1.4 (0.8–2.3) |
41–50 | 100 | 1.4 (0.5–3.1) | 98.0 (92.0–106.9) | 1.4 (0.8–2.7) |
51–60 | 91 | 1.2 (0.4–2.8) | 121.0 (109.0–130.0) | 1.5 (0.8–2.7) |
> 60 | 75 | 1.0 (0.4–2.8) | 148.0 (132.8–185.2) | 1.5 (0.9–2.5) |
P | 0.124 | < 0.001 | 0.182 | |
Gender | ||||
Male | 158 | 1.7 (0.5–3.4) | 96.5 (62.0–148.2) | 1.5 (0.8–2.9) |
Female | 232 | 1.1 (0.5–3.0) | 106.0 (63.0–165.0) | 1.4 (0.8–2.4) |
P | < 0.001 | < 0.001 | 0.161 | |
Total | 390 | 1.2 (0.50–3.1) | 103.0 (63.0–159.0) | 1.4 (0.8–2.7) |