The Journal of Practical Medicine ›› 2026, Vol. 42 ›› Issue (15): 2779-2785.doi: 10.3969/j.issn.1006-5725.2026.15.014
• Treatise:Mechanism and Practice • Previous Articles
Haiyou WANG1,Xueting LIU2,Wenhuan LIAO2,Xiaoyu WANG2,3,Zhibao CHENG2,Yujie XU2,Yixing GAO4,Jingyuan XIONG1,5,Yunhui GONG6,Guo CHENG1,2,3(
)
Received:2026-05-19
Revised:2026-06-17
Accepted:2026-06-18
Online:2026-08-10
Published:2026-08-13
Contact:
Guo CHENG
E-mail:ehw_cheng@126.com
CLC Number:
Haiyou WANG,Xueting LIU,Wenhuan LIAO,Xiaoyu WANG,Zhibao CHENG,Yujie XU,Yixing GAO,Jingyuan XIONG,Yunhui GONG,Guo CHENG. Effects of iron supplementation on thyroid function and autoantibodies in pregnant women with thyroid dysfunction[J]. The Journal of Practical Medicine, 2026, 42(15): 2779-2785.
Tab.1
Baseline characteristics of the study population"
| 变量 | 铁缺乏 | 铁充足 | H/χ2值 | P值 | ||
|---|---|---|---|---|---|---|
| 补铁(n = 9) | 未补铁(n = 67) | 补铁(n = 23) | 未补铁(n = 254) | |||
| 年龄[M(P25,P75)]/岁 | 33.0(30.0,35.0) | 30.0(28.0,32.0) | 32.0(30.0,35.0) | 31.0(29.0,34.0) | 9.76 | 0.021 |
| 血红蛋白[M(P25,P75)]/(g/L) | 122.0(120.0,123.0) | 126.0(120.0,134.0) | 129.0(124.5,138.0) | 129.0(123.0,137.0) | 10.83 | 0.013 |
| 随访持续时间[M(P25,P75)]/d | 154.0(144.0,181.0) | 180.0(155.0,189.0) | 179.0(159.0,187.0) | 179.0(152.2,190.0) | 1.13 | 0.769 |
| 孕期体质量增长 | - | 0.716 | ||||
| 不足 | 5(55.6) | 29(43.3) | 11(47.8) | 130(51.2) | ||
| 适宜 | 0(0.0) | 12(17.9) | 5(21.7) | 37(14.6) | ||
| 过量 | 4(44.4) | 26(38.8) | 7(30.4) | 87(34.3) | ||
| 户口 | - | 0.515 | ||||
| 城市 | 9(100.0) | 56(83.6) | 18(78.3) | 215(84.6) | ||
| 农村 | 0(0.0) | 11(16.4) | 5(21.7) | 39(15.4) | ||
| 学历 | - | 0.689 | ||||
| 高中及以下 | 3(33.3) | 20(29.9) | 4(17.4) | 77(30.3) | ||
| 本科 | 5(55.6) | 37(55.2) | 14(60.9) | 122(48.0) | ||
| 研究生及以上 | 1(11.1) | 10(14.9) | 5(21.7) | 55(21.7) | ||
| 存在食物过敏 | 0(0.0) | 6(9.0) | 3(13.0) | 27(10.6) | - | 0.727 |
| 长期素食 | 1(11.1) | 8(11.9) | 1(4.3) | 16(6.3) | - | 0.399 |
| 饮食摄入量变化 | - | 0.458 | ||||
| 减少 | 4(44.4) | 32(47.8) | 12(52.2) | 104(40.9) | ||
| 无变化 | 3(33.3) | 18(26.9) | 8(34.8) | 103(40.6) | ||
| 增加 | 2(22.2) | 17(25.4) | 3(13.0) | 47(18.5) | ||
| 补充维生素D | 6(66.7) | 22(32.8) | 13(56.5) | 100(39.4) | 6.76 | 0.080 |
| 补充叶酸 | 8(88.9) | 57(85.1) | 22(95.7) | 210(82.7) | - | 0.414 |
Tab.2
Effects of iron supplementation on thyroid function and autoantibody levels in iron-deficient pregnant women"
| 甲状腺相关指标变化值 | 铁缺乏补铁组 | 铁缺乏未补铁组 | Z值 | P值 |
|---|---|---|---|---|
| ΔT3/(nmol/L) | -0.03(-0.42,0.00) | 0.00(-0.08,0.02) | -1.44 | 0.170 |
| ΔT4/(nmol/L) | -6.90(-26.90,20.77) | 0.00(-6.20,2.79) | -0.33 | 0.768 |
| ΔFT3/(pmol/L) | -0.37(-1.37,0.34) | 0.00(-0.49,0.03) | -0.82 | 0.432 |
| ΔFT4/(pmol/L) | -4.45(-5.21,-3.70) | -0.77(-2.42,1.14) | -3.37 | < 0.001 |
| ΔTSH/(mIU/L) | 0.16(-4.16,0.31) | -0.25(-1.39,0.58) | -0.54 | 0.601 |
| ΔTGAb/(IU/mL) | -0.35(-30.76,0.62) | -0.10(-4.07,0.00) | -0.26 | 0.814 |
| ΔTPOAb/(IU/mL) | -455.60(-530.70,-15.60) | -2.30(-39.20,11.70) | -3.03 | 0.002 |
Tab.3
Linear regression analysis of the effects of iron supplementation on thyroid function and autoantibody levels in iron-deficient pregnant women"
| 甲状腺相关指标变化值 | 模型1 | 模型2 | ||
|---|---|---|---|---|
| β(95%CI) | P值 | β(95%CI) | P值 | |
| ΔT3/(nmol/L) | -0.29(-0.95 ~ 0.38) | 0.394 | -0.60(-1.42 ~ 0.21) | 0.142 |
| ΔT4/(nmol/L) | -3.39(-33.75 ~ 26.97) | 0.825 | -8.99(-43.52 ~ 25.54) | 0.604 |
| ΔFT3/(pmol/L) | -0.50(-1.17 ~ 0.17) | 0.144 | -0.49(-1.27 ~ 0.30) | 0.220 |
| ΔFT4/(pmol/L) | -5.01(-7.65 ~ -2.38) | < 0.001 | -4.75(-7.73 ~ -1.76) | 0.002 |
| ΔTSH/(mIU/L) | -1.45(-2.90 ~ 0.00) | 0.050 | -1.84(-3.49 ~ -0.18) | 0.030 |
| ΔTGAb/(IU/mL) | -22.58(-46.00 ~ 0.84) | 0.058 | -30.60(-62.69 ~ 1.49) | 0.061 |
| ΔTPOAb/(IU/mL) | -278.84(-412.03 ~ -145.66) | < 0.001 | -271.33(-423.84 ~ -118.82) | < 0.001 |
Tab.4
Effects of iron supplementation on thyroid function and autoantibody levels in iron-sufficient pregnant women"
| 甲状腺相关指标变化值 | 铁充足补铁组 | 铁充足未补铁组 | Z值 | P值 |
|---|---|---|---|---|
| ΔT3/(nmol/L) | 0.09(-0.02,0.26) | 0.00(-0.17,0.24) | 1.04 | 0.294 |
| ΔT4/(nmol/L) | 4.99(-2.02,28.20) | 0.00(-5.15,23.40) | 0.58 | 0.557 |
| ΔFT3/(pmol/L) | 0.00(-0.59,0.08) | 0.00(-0.48,0.18) | -0.35 | 0.725 |
| ΔFT4/(pmol/L) | -1.92(-2.37,0.00) | -0.57(-2.69,1.19) | -1.08 | 0.282 |
| ΔTSH/(mIU/L) | -0.93(-2.91,0.84) | -0.28(-1.51,0.39) | -0.98 | 0.329 |
| ΔTGAb/(IU/mL) | -12.85(-62.91,0.00) | 0.00(-6.60,0.00) | -2.40 | 0.014 |
| ΔTPOAb/(IU/mL) | -37.09(-108.45,4.93) | -4.00(-71.30,6.40) | -1.15 | 0.249 |
Tab.5
Linear regression analysis of the effects of iron supplementation on thyroid function and autoantibody levels in iron-sufficient pregnant women"
| 甲状腺相关指标变化值 | 模型1 | 模型2 | ||
|---|---|---|---|---|
| β(95%CI) | P值 | β(95%CI) | P值 | |
| ΔT3/(nmol/L) | 0.15(-0.19 ~ 0.48) | 0.393 | 0.15(-0.20 ~ 0.49) | 0.401 |
| ΔT4/(nmol/L) | 6.53(-10.79 ~ 23.85) | 0.458 | 3.90(-13.45 ~ 21.24) | 0.658 |
| ΔFT3/(pmol/L) | -0.55(-1.33 ~ 0.22) | 0.158 | -0.56(-1.36 ~ 0.23) | 0.166 |
| ΔFT4/(pmol/L) | -1.16(-4.07 ~ 1.75) | 0.435 | -0.75(-3.72 ~ 2.22) | 0.620 |
| ΔTSH/(mIU/L) | -0.70(-1.47 ~ 0.08) | 0.077 | -0.58(-1.36 ~ 0.19) | 0.141 |
| ΔTGAb/(IU/mL) | -42.65(-75.03 ~ -10.27) | 0.010 | -41.74(-75.69 ~ -7.79) | 0.016 |
| ΔTPOAb/(IU/mL) | -22.15(-105.56 ~ 61.26) | 0.601 | -18.66(-104.76 ~ 67.44) | 0.670 |
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