Table 1.

Algorithms for diagnosis of diabetes

	Table S1			Table S2		Table S3
	With diagnosis‐related codes of diabetes	With the identified date diagnosed diabetes	Diagnosis‐related codes without suspected flag	(d) With medication for diabetes	(e) With diagnosis and medication codes on the same record	(f) Measuring hemoglobin A1c or glycoalbumin	Measuring glucose	Measuring urinal albumin	Others
Algorithm 1	〇
Algorithm 2				〇
Algorithm 3	〇			〇
Algorithm 4	〇			〇	〇
Algorithm 5	〇	〇
Algorithm 6	〇	〇		〇	〇
Algorithm 7	〇		〇
Algorithm 8	〇		〇	〇
Algorithm 9	〇		〇	〇	〇
Algorithm 10	〇	〇	〇
Algorithm 11	〇	〇	〇	〇
Algorithm 12	〇	〇	〇	〇	〇
Algorithm 13						〇
Algorithm 14							〇
Algorithm 15								〇
Algorithm 16	Any code
Algorithm 17	〇	〇	〇	〇	〇	〇	〇

Algorithm 16 is for diagnosis of diabetes, which diagnoses patients who have any diagnosis‐related code, medication for diabetes or medical action codes as diabetes.