Table 3 The association of baseline diabetes status, follow-up time with lung function parameters through the mixed model

FVC

 Diabetic status

  Normal

Ref

Ref

Ref

  Prediabetes

-0.117(-0.153 ~ -0.081)

< 0.001

-0.122(-0.165 ~ -0.080)

< 0.001

-0.104(-0.147 ~ -0.06)

< 0.001

  Diabetes

-0.188(-0.232 ~ -0.143)

< 0.001

-0.186(-0.239 ~ -0.133)

< 0.001

-0.140(-0.216 ~ -0.063)

< 0.001

  Time

-0.011(-0.013 ~ -0.010)

< 0.001

-0.012(-0.014 ~ -0.010)

< 0.001

-0.013(-0.015 ~ -0.011)

< 0.001

FEV₁

 Diabetic status

  Normal

Ref

Ref

Ref

  Prediabetes

-0.069(-0.099 ~ -0.040)

< 0.001

-0.071(-0.106 ~ -0.037)

< 0.001

-0.057(-0.092 ~ -0.021)

0.002

  Diabetes

-0.112(-0.149 ~ -0.076)

< 0.001

-0.103(-0.146 ~ -0.061)

< 0.001

-0.061(-0.122 ~ 0.001)

0.055

  Time

-0.006(-0.007 ~ -0.004)

< 0.001

-0.006(-0.007 ~ -0.004)

< 0.001

-0.007(-0.009 ~ -0.005)

< 0.001

FVC%

 Diabetic status

  Normal

Ref

Ref

Ref

  Prediabetes

-2.944(-3.873 ~ -2.015)

< 0.001

-3.104(-4.190 ~ -2.018)

< 0.001

-2.554(-3.677 ~ -1.431)

< 0.001

  Diabetes

-4.892(-6.046 ~ -3.739)

< 0.001

-4.924(-6.275 ~ -3.574)

< 0.001

-3.809(-5.771 ~ -1.847)

0.001

  Time

0.150(0.102 ~ 0.197)

< 0.001

0.120(0.064 ~ 0.176)

< 0.001

0.091(0.035 ~ 0.147)

0.002

FEV₁%

 Diabetic status

  Normal

Ref

Ref

Ref

  Prediabetes

-1.994(-2.886 ~ -1.101)

< 0.001

-2.043(-3.100 ~ -0.986)

< 0.001

-1.742(-2.828 ~ -0.655)

0.002

  Diabetes

-3.122(-4.230 ~ -2.013)

< 0.001

-3.014(-4.327 ~ -1.701)

< 0.001

-2.48(-4.377 ~ -0.584)

0.010

  Time

0.617(0.559 ~ 0.675)

< 0.001

0.616(0.547 ~ 0.685)

< 0.001

0.623(0.561 ~ 0.685)

< 0.001

FEV₁/FVC

 Diabetic status

  Normal

Ref

Ref

Ref

  Prediabetes

0.786(0.273 ~ 1.300)

0.003

0.809(0.204 ~ 1.415)

0.009

0.78(0.156 ~ 1.405)

0.014

  Diabetes

1.341(0.703 ~ 1.979)

< 0.001

1.455(0.704 ~ 2.207)

< 0.001

1.513(0.421 ~ 2.605)

0.007

  Time

0.088(0.056 ~ 0.119)

< 0.001

0.105(0.066 ~ 0.0143)

< 0.001

0.098(0.059 ~ 0.137)

< 0.001