Frequency of prescription of methotrexate and anti-TNF drugs across sites					Differences in prescription across regions
Medication	Jordan	KSA	Lebanon	Qatar	Levant	Gulf	p
	N=130	N=96	N=80	N=162	N=210	N=258
Methotrexate	76.2%	97.9%	86.6%	89.5%	80.2%	92.6%	<0.001
At least one anti-TNF	11.5%	51.0%	23.8%	38.9%	16.2%	43.4%	<0.001