Table 5. Summary statistics of time (years) from diagnosis of T2DM to date of first insulin prescription (between 01/01/2000 and 30/06/2012).

	Number of patients	Number of years from diagnosis to date of first insulin prescription
	N	Mean (95% CI)	Median (IQR*)
i) All patients with insulin	11,917	4.99 (4.92, 5.06)	4.41 (1.66, 7.56)
ii) After deleting patients with first insulin prescription date same as diagnosis date	11,641	5.11 (5.04, 5.18)	4.54 (1.86, 7.66)
iii) After deleting patients with insulin as first prescription after diagnosis	10,750	5.47 (5.40, 5.55)	4.95 (2.39, 7.95)
iv) Including patients who were first diagnosed between 01/01/2000 and 30/06/2012	8,643	3.59 (3.53, 3.66)	3.11 (0.85, 5.69)

*Interquartile range