TABLE 2.

Paired t‐test comparing HbA1c levels before (HbA1c(3)) and after lockdown (HbA1c(4)) for all patients and stratified by pre‐lockdown HbA1c level (HbA1c(3))

	Mean HbA1c (mmol/mol)	Sd	95% CI	p
All patients (N = 172)
HbA1c(4)	56.9	12.2	55.1–58.7
HbA1c(3)	58.3	11.6	56.6–60.1
Difference (HbA1c(4)‐(3))	−1.4	8.2	−2.6–−0.2	0.025
Stratified analyses
Pre‐lockdown HbA1c <52 mmol/mol (N = 60)
HbA1c(4)	47.9	6.0	46.4–49.5
HbA1c(3)	47.1	4.4	46.0–48.2
Difference (HbA1c(4)‐(3))	0.8	4.6	−0.4–2.0	0.176
Pre‐lockdown HbA1c 52–59 mmol/mol (N = 44)
HbA1c(4)	55.6	6.4	53.7–57.6
HbA1c(3)	55.7	2.0	55.1–56.3
Difference (HbA1c(4)‐(3))	−0.1	6.2	−1.9–1.8	0.942
Pre‐lockdown HbA1c >59 mmol/mol (N = 68)
HbA1c(4)	65.7	13.0	62.5–68.8
HbA1c(3)	69.9	8.3	67.9–71.9
Difference (HbA1c(4)‐(3))	−4.2	10.6	−6.8–−1.7	0.002