| AA | Alopecia areata |
| HT | Hashimoto’s thyroiditis |
| HC | Healthy control |
| IL-1β, IL-18, IL-10 | Interleukin 1 beta, 18, 10 |
| JAK-STAT | Janus kinase-signal transducer and activation of transcription |
| LPS | Lipopolysaccharide |
| PSA | Polysaccharide A |
| SALT | Severity of Alopecia areata |
| SCFA | Short-chain fatty acids |
| TCA | Tricarboxylic Acid |
| Th1, Th2, Th17, Treg | T helper cell types 1, 2, 17, Regulatory T cells |