Table 3.

Cardiometabolic parameters of smokers and non-smoker of included studies

Study	Cardiometabolic parameters
	Smokers					Non-smokers
	HbA1c (%) Mean (SD)	HDL mmol/l Mean (SD)	LDL mmol/l Mean (SD)	SBP mm of Hg Mean (SD)	DBP mm of Hg Mean (SD)	HbA1C (%) Mean (SD)	HDL mmol/l Mean (SD)	LDL mmol/l Mean (SD)	SBP mm of Hg Mean (SD)	DBP mm of Hg Mean (SD)
Reynolds et al. [42] (T2DM)	8.85 (±2.89)	2.23 (±0.59)	6.23 (±2.06)	120.8 (±11.8)	74.8 (±10.2)	7.77 (±2.37)	2.36 (±0.59)	5.79 (±1.75)	116.4 (±12.9)	72.2 (±10.8)
Reynolds et al. [42] (T1DM)	9.16 (±2.08)	2.84 (±0.71)	5.82 (±1.76)	110.7 (±10.9)	71.1 (±9.8)	8.19 (±1.63)	2.98 (±0.69)	5.39 (±1.49)	105.6 (±10.9)	66.9 (± 9.6)
Hofer et al. [43]	9.1 (±1.91)	3.35 (±1.84)	5.24 (±3.56)	116.8 (±14)	68.2 (±10.82)	8.0 (±3.07)	3.53 (±2.76)	5.26 (±5.52)	117.37 (±19.93)	67.6 (±15.33)
Thomas et al. [44]	8.2 (±2.0)	1.12 (±0.31)	3.6 (±0.9)	131 (±20)	82 (±12)	7.6 (±1.8)	1.20 (±0.30)	3.5 (±0.8)	135 (±20)	82 (±12)
Schwab et al. [45]	9.3 (9.0–10.9)	3.22 (3.05–3.44)	6.16 (5.94–6.38)	125 (120–130)	69 (67–70)	7.4 (7.3–7.5)	3.33 (3.16–3.38)	4.99 (4.77–5.16)	120 (120–120)	125 (120–130)
Wakabayashi et al. [46]	7.75 (±1.59)	1.30 (±0.35)	3.12 (±0.87)	Not reported	Not reported	7.48 (±1.52)	1.39 (±0.36)	3.04 (±0.81)	Not reported	Not reported
Nilsson et al. [48]	8.7 (±1.2)	Not reported	Not reported	127 (±11.0)	73 (±7.0)	8.1 (±1.4)	Not reported	Not reported	128 (±13.0)	75 (±10.0)
Nilsson et al. [48]	7.67 (1.44)	Not reported	Not reported	130 (17.9)	73.5 (8.7)	7.21 (1.34)	Not reported	Not reported	129.3 (16.7)	74.9 (8.9)
Ohkuma et al. [50]	6.65 (1.50)	Not reported	Not reported	142.2 (19.3)	79.0 (9.6)	6.44 (1.39)	Not reported	Not reported	146.2 (19.4)	79.1 (9.6)
Hansen et al. [47]	8.7 (1.2)	Not reported	Not reported	127 (11)	73 (7.0)	8.1 (1.4)	Not reported	Not reported	128 (13)	75 (10)
Gerber et al. [49]	9.0 (2.3)	1.53 (0.46)	2.78 (1.00)	127.6 (18.6)	76.8 (12.3)	8.1 (2.0)	1.68 (0.51)	2.7 (0.92)	126.2 (15.7)	77.9 (10.3)