Table 3.

Characteristics of current TZD users, based on one random prescription per patient.

	GPRD	PHARMO	Danish registries
	Random TZD prescriptions	Random TZD prescriptions	Random TZD prescriptions
	n = 38,438	n = 15,118	n = 7,603
Sex female	42.9%	52.1%	42.7%
Mean age at prescription date	64.3	63.2	61.6
Mean number of TZD prescriptions before	14.2	6.3	7.6
Mean duration of follow-up after index date, yrs	4.2	3.8	5.5
CURRENT USE OF
Biguanide	77.5%	66.2%	85.2%
Sulfonylureum	53.7%	54.4%	47.2%
Insulin	5.2%	10.2%	9.4%
Other	4.7%	1.8%	6.4%