Fibroblast growth factor 23 (Fgf23) levels and their relationship with disease activity, bone mineral density, and radiological damage score in patients with rheumatoid arthritis: a single center case–control study

Egyptian Rheumatology and Rehabilitation

Table 4 P values showing differences in fibroblast growth factor-23, 25-hydroxyvitamin D, calcium, phosphorus, and parathyroid hormone levels in patients with rheumatoid arthritis according to drug use

	Fgf23	25-hydroxy vitamin D	Calcium	Phosphorus	PTH
Glucocorticoids	0.682	0.939	0.871	0.359	0.109
Methotrexate	0.752	0.921	0.580	0.978	0.348
Hydroxychloroquine	0.581	0.509	0.480	0.199	0.219
Leflunomide	0.357	0.421	0.767	0.204	0.532
Sulfasalazine	0.288	0.837	0.169	0.593	0.178
Anti-TNF	0.807	0.478	0.332	0.462	0.969
Other biological drugs^a	0.969	0.478	0.126	0.319	0.690

Fgf23 Fibroblast growth factor 23, PTH Parathyroid hormone, TNF-α Tumor necrosis factor alfa
^aTofacitinib, tocilizumab, and rituximab