| estimated.GD | Calculated step-up deiodinase activity (SPINA-GD) |
| estimated.GDTT | Calculated step-up deiodinase activity, based on total T4 and T3 (SPINA-GDTT) |
| estimated.GT | Calculated thyroid's secretory capacity (SPINA-GT) |
| estimated.GTT | Calculated thyroid's secretory capacity, based on total T4 (SPINA-GTT) |
| estimated.sGD | Calculated standardised step-up deiodinase activity (SPINA-sGD) |
| estimated.sTSHI | Standardised Jostel's TSH index (sTSHI, sJTI) |
| estimated.TSHI | Jostel's TSH index (TSHI, JTI) |
| estimated.TTSI | Thyrotroph thyroid hormone sensitivity index (TTSI) |
| HOMA.Beta | Homeostasis model assessment: beta-cell function (HOMA-Beta) |
| HOMA.IR | Homeostasis model assessment: insulin resistance (HOMA-IR) |
| HOMA.IS | Homeostasis model assessment: insulin sensitivity (HOMA-IS) |
| Pilo | Data for SPINA |
| QUICKI | Quantitative insulin-sensitivity check index (QUICKI) |
| SPINA.DI | Static disposition index (SPINA-DI) |
| SPINA.GBeta | Calculated secretory capacity of pancreatic beta cells (SPINA-GBeta) |
| SPINA.GD | Calculated step-up deiodinase activity (SPINA-GD) |
| SPINA.GDTT | Calculated step-up deiodinase activity, based on total T4 and T3 (SPINA-GDTT) |
| SPINA.GR | Calculated insulin receptor gain (SPINA-GR) |
| SPINA.GT | Calculated thyroid's secretory capacity (SPINA-GT) |
| SPINA.GTT | Calculated thyroid's secretory capacity, based on total T4 (SPINA-GTT) |
| SPINA.sGD | Calculated standardised step-up deiodinase activity (SPINA-sGD) |
| Vellore | Data for SPINA |