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Table 2 Laboratory findings in postmenopausal women with rheumatoid arthritis who were given hormone replacement therapy and the control group

From: Hormone replacement therapy in rheumatoid arthritis is associated with lower serum levels of soluble IL-6 receptor and higher insulin-like growth factor 1

 

HRT

Controls

Laboratory test

Baseline

12 months

24 months

Baseline

12 months

24 months

Serum TNF-α (pg/ml)

4.1 ± 0.4 (32)

3.8 ± 0.4 (30)

3.6 ± 0.4 (32)

4.4 ± 0.5 (44)

4.1 ± 0.3 (43)

4.2 ± 0.4 (44)

Serum IL-1Ra (pg/ml)

501 ± 49 (35)

678 ± 82 (32)††

558 ± 85 (35)

494 ± 77 (45)

596 ± 104 (45)

606 ± 128 (45)

Serum IL-6 (pg/ml)

25.7 ± 6.3 (35)

25.1 ± 8.3 (32)

23.1 ± 5.2 (35)

23.2 ± 4.3 (45)

27.1 ± 4.5 (45)

25.6 ± 5.4 (45)

Serum sIL-6R (pg/ml)

851 ± 46 (34)

801 ± 41 (31)

790 ± 36 (34)†,‡

771 ± 31 (45)

794 ± 35 (45)

804 ± 34 (45)

Serum OPG (pg/ml)

104 ± 19 (30)

133 ± 29 (28)

112 ± 19 (30)

114 ± 14 (43)

109 ± 13 (43)

120 ± 13 (43)

Serum IGF-1 (ng/ml)

80.3 ± 4.9 (29)

81.0 ± 4.0 (24)

92.6 ± 4.6 (29)

78.6 ± 5.3 (40)

78.3 ± 5.0 (40)

77.7 ± 3.9 (40)

ESR (mm)

32.5 ± 3.2 (35)

29.0 ± 3.2 (35)

24.3 ± 2.2 (35)††,‡

27.3 ± 2.3 (43)

26.6 ± 2.9 (41)

26.7 ± 2.7 (43)

Serum estradiol (pmol/l)

44.4 ± 8.6 (27)

176.7± 31.4 (22)†††,‡‡‡

160.9 ± 18.7 (27)†††,‡‡‡

38.0 ± 4.4 (36)

39,0 ± 5,9 (36)

38,9 ± 6,6 (36)

  1. Results for patients with both baseline and 24-month data available with corresponding 12-month data are shown. Values are means ± standard error of the mean. Numbers of patients for whom data were available are shown in parentheses. For comparison with baseline, P ≤ 0.05, ††P < 0.01, †††P < 0.001. For comparison with controls from baseline, P ≤ 0.05, ‡‡P < 0.01, ‡‡‡P < 0.001. ESR = erythrocyte sedimentation rate; IGF-1 = insulin-like growth factor 1; IL-1Ra = IL-1-receptor antagonist; OPG = osteoprotegerin; sIL-6R = soluble IL-6 receptor; TNF-α = tumor necrosis factor α.