Table 4 Prevalence of dyslipidemia in elderly people stratified by age (n = 2460).

From: Age-specific serum thyrotropin reference range for the diagnosis of subclinical hypothyroidism and its association with lipid profiles in the elderly population

Groups

0.27 ≤ TSH ≤ 4.20

4.20 < TSH < ULN

 ≥ ULN

Linear trend

(P value)

65–70 yearsa

High TC

10.87%

(117/1076)

15.00%

(9/60)

18.18%

(8/44)

0.038

High TGs

26.21% (282/1076)

28.33%

(17/60)

27.27%

(12/44)

0.758

High LDL-C

6.88%

(74/1076)

10.00%

(6/60)

9.09%

(4/44)

0.143

Low HDL-C

33.55% (361/1076)

25.00%

(15/60)

22.73%

(10/44)

0.065

Dyslipidemia

39.13% (421/1076)

50.00%

(30/60)

45.45%

(20/44)

0.068

71–80 yearsb

High TC

10.75%

(96/893)

16.22%

(12/74)

25.64%

(10/39)

0.001

High TGs

22.17%

(198/893)

22.97%

(17/74)

41.03%

(16/39)

0.021

High LDL-C

6.61%

(59/893)

10.81%

(8/74)

15.38%

(6/39)

0.015

Low HDL-C

30.12%

(269/893)

21.62%

(16/74)

38.46%

(15/39)

0.645

Dyslipidemia

45.58%

(407/893)

48.65%

(36/74)

61.54%

(24/39)

0.031

> 80 yearsc

High TC

7.66%

(17/222)

11.54%

(3/26)

20.00%

(2/10)

0.032

High TGs

17.12%

(38/222)

26.92%

(7/26)

60.00%

(6/10)

 < 0.001

High LDL-C

4.50%

(10/222)

7.69%

(2/26)

20.00%

(2/10)

0.018

Low HDL-C

29.28%

(65/222)

34.62%

(9/26)

30.00%

(3/10)

0.655

Dyslipidemia

39.64%

(88/222)

53.85%

(14/26)

60.00%

(6/10)

0.050

  1. ULN of TSH for each group was 5.51mIU/La, 5.89 mIU/Lb, 6.70 mIU/Lc, respectively.
  2. ULN, upper limit of normal; TSH, thyroid stimulating hormone; TC, total cholesterol; TGs, triglycerides; LDL-C, low density lipoprotein cholesterol; HDL-C, high density lipoprotein cholesterol.
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