Table 1.

Changes in HbA1c with intervention observed across studies

Author, year	HbA1c (%)
	Baseline (Mean ± SD)	N	Outcome (Mean ± SD)	N	P-value
Adams et al., 2015 [31]	7.3 ± 3.2	67	7.3 ± 3.2	67	NP
Gorrindo et al., 2014 [34]	9.6 ± 2.3	45	7.9 ± 1.8	45	< 0.0001
Janson et al., 2009 [35]	7.7 ± 1.7	384	7.7 ± 1.6	384	NP
Kahkoska et al., 2018 [36]	9.7 ± 1.6	29	9.2 ± 1.4	29	NP
Lee et al., 2016 [37]	9.2 ± NP	22	8.0 ± NP	22	NP
Martin et al., 2016 – uncontrolled [38]	9.3 ± NP	NP	7.6 ± NP	NP	NS
Martin et al., 2016 – controlled [38]	6.2 ± NP	NP	6.4 ± NP	NP	0.004
Mehta et al., 2016 [44]	9.5 ± 2.3	21	8.3 ± 2.2	21	0.008
Nuffer et al., 2012 [40]	7.7 ± 2.0	346	6.8 ± 1.1	346	< 0.001
Nagelkerk et al., 2018 [39]	7.3 ± NP	250	7.2 ± NP	250	0.346
Smith et al., 2014 [43]	9.2 ± 2.5	157	8.2 ± 2.2	157	< 0.001
Stroup et al., 2003 [45]	11.2 ± 1.3	30	10.0 ± 2.0	30	NP

NP Not provided, NS Not significant