Table 2.
Correlation analysis between insulin resistance and lung function in participants.
| Insulin | Total population | No-asthma group | Asthma group | P value for interaction | |||
|---|---|---|---|---|---|---|---|
| r | P value | r | P value | r | P value | ||
| FVC | 0.02246 (−0.0227, 0.0675) | 0.3622 | 0.013 (−0.0349, 0.0608) | 0.6145 | −0.04 (−0.1738, 0.0953) | 0.5528 | 0.4472 |
| FVC% predicted | −0.13069 (−0.1748, −0.0861) | <0.0001 | −0.138 (−0.1846, −0.0907) | <0.0001 | −0.107 (−0.2383, 0.0282) | 0.175 | 0.7497 |
| FEV1 | 0.00286 (−0.0422, 0.048) | 0.9122 | −0.007 (−0.0548, 0.0409) | 0.8077 | −0.028 (−0.1621, 0.1072) | 0.6549 | 0.7504 |
| FEV1% predicted | −0.07418 (−0.1189, −0.0292) | 0.004 | −0.092 (−0.1393, −0.0443) | 0.0019 | 0 (−0.1348, 0.1348) | 0.9981 | 0.2927 |
| FEV1/FVC ratio | −0.05889 (−0.1037, −0.0138) | 0.019 | −0.061 (−0.1096, −0.0132) | 0.0269 | 0.031 (−0.1042, 0.1651) | 0.6889 | 0.3393 |
| HOMA-IR | r | P value | r | P value | r | P value | P value for interaction |
| FVC | 0.00736 (−0.0378, 0.0524) | 0.7641 | 0.032 (−0.0159, 0.0797) | 0.2241 | −0.053 (−0.1864, 0.0823) | 0.4191 | 0.224 |
| FVC% predicted | −0.13301 (−0.177, −0.0884) | <0.0001 | −0.128 (−0.1748, −0.0806) | <0.0001 | −0.162 (−0.2904, −0.0279) | 0.0313 | 0.6112 |
| FEV1 | −0.0085 (−0.0536, 0.0366) | 0.7423 | 0.007 (−0.0409, 0.0548) | 0.8074 | −0.033 (−0.167, 0.1022) | 0.6024 | 0.5597 |
| FEV1% predicted | −0.07843 (−0.1231, −0.0334) | 0.0025 | −0.084 (−0.1313, −0.0363) | 0.0041 | −0.025 (−0.1592, 0.1101) | 0.7272 | 0.5217 |
| FEV1/FVC ratio | −0.04549 (−0.0904,−0.0004) | 0.0744 | −0.081 (−0.1284, −0.0333) | 0.0026 | 0.049 (−0.0863, 0.1825) | 0.5216 | 0.1724 |
r, correlation coefficient; HOMA-IR, homeostasis model of assessment of insulin resistance; FVC, forced vital capacity; FEV1, forced expiratory volume in 1 second.