. 2022 Jan 11;29(4):723–734. doi: 10.1093/jamia/ocab293

Table 1.

Specifications of health condition and outcome registry systems in the included studies

Specifications		Number of studies	References
1. Type of registry	Hospital-based	14	⁶ ^, ¹⁶ ^, ²³ ^, ^27–30 ^, ³⁶ ^, ³⁸ ^, ⁴⁰ ^, ⁴¹ ^, ⁵⁴ ^, ⁵⁷ ^, ⁵⁸
	Population-based	10	⁵ ^, ²² ^, ³¹ ^, ³² ^, ³⁴ ^, ⁴⁷ –⁴⁹^,⁵⁵^,⁵⁶
	Clinical/research-based	6	¹⁴ ^, ¹⁷ ^, ²⁴ ^, ²⁶ ^, ³⁷ ^, ⁵²
	Clinical	4	³³ ^, ³⁵ ^, ⁴⁵ ^, ⁵³
	Clinical/hospital-based	3	⁷ ^, ³⁹ ^, ⁴²
	Research-based	2	⁴⁴ ^, ⁵¹
	Not mentioned	6	¹⁰ ^, ¹⁵ ^, ²⁵ ^, ⁴³ ^, ⁴⁶ ^, ⁵⁰
2. Registry geographical coverage	National	15	^5–7 ^, ³⁰ ^, ³³ ^, ³⁴ ^, ³⁶ ^, ³⁹ ^, ⁴⁰ ^, ⁴² ^, ⁴⁷ ^, ⁴⁹ ^, ⁵⁰ ^, ⁵⁴ ^, ⁵⁵
	Local	9	³⁵ ^, ³⁸ ^, ⁴¹ ^, ⁴³ ^, ⁴⁴ ^, ⁴⁸ ^, ⁵² ^, ⁵³ ^, ⁵⁷
	International	4	²² ^, ³⁷ ^, ⁴⁵ ^, ⁵⁸
	National/local	4	¹⁴ ^, ²³ ^, ²⁴ ^, ²⁹
	Not mentioned	12	¹⁰ ^, ^15–17 ^, ^25–28 ^, ³¹ ^, ³² ^, ⁴⁶ ^, ⁵¹ ^, ⁵⁶
3. Condition, disease, or intervention	Trauma	9	⁶ ^, ¹⁵ ^, ¹⁶ ^, ²⁵ ^, ^27–29 ^, ⁴¹ ^, ⁵⁷
	Cancer	3	⁵ ^, ⁴³ ^, ⁵⁵
	Stroke	3	⁴⁰ ^, ⁴² ^, ⁵⁴
	Surgery	3	¹⁷ ^, ⁴⁵ ^, ⁵⁸
	Implant	3	⁷ ^, ³⁶ ^, ³⁹
	Vaccination	3	^47–49
	Diabetes	2	⁵³ ^, ⁵⁶
	Primary care	2	³⁸ ^, ⁴⁴
	No limited to a health condition (outcome) or intervention	2	¹⁰ ^, ⁵⁰
	Spinal cord injury	1	³⁰
	Herpes virus	1	³¹
	Emergency care	1	³²
	Bone infection	1	²²
	Cardiac rehabilitation	1	³³
	Rare diseases	1	³⁴
	Familial hypercholesterolemia	1	³⁵
	Acupuncture in premature ovarian insufficiency	1	³⁷
	Urology	1	¹⁴
	Neurological diseases	1	⁴⁶
	Lupus	1	²⁶
	Human embryonic stem cells	1	⁵¹
	Psychological problems during pregnancy and after childbirth	1	⁵²
	Cystic fibrosis	1	²⁴