Omentin-1 and diabetic retinopathy in type 2 diabetic patients

Peer review under responsibility of Alexandria University Faculty of Medicine.

Available online 3 May 2018

Figures & data

Table 1 Comparison between the studied groups as regard demographic and laboratory parameters.

	Group 1	Group 2	Group 3	Group 4	F-test	p	LSD
Age (years)	56.5 ± 7.2	55.9 ± 6.4	55.9 ± 8.1	55.8 ± 6.1	0.050	0.985	–
Duration of diabetes (years)	8.6 ± 1.19	9.3 ± 2.4	10.2 ± 2.5	–	3.594	0.033^*	2,3,vs1
Glycosylated hemoglobin (%)	6.8 ± 1.9	7.8 ± 0.8	9.1 ± 0.9	5.1 ± 0.4	46.370	<0.001^*	2,3vs,1
Body mass index (kg/m^2)	26.6 ± 2.9	28.5 ± 2.8	29.0 ± 3.5	22.3 ± 2.6	22.371	<0.001^*	1,2,3v4, 2,3v1
Total cholesterol (mg/dl)	190.3 ± 28.1	192.4 ± 28.6	189.8 ± 31.4	179.4 ± 30.2	0.823	0.484
LDL (mg/dl)	112.8 ± 33.6	122.9 ± 18.8	124.8 ± 16.8	120.6 ± 21.4	1.551	0.207
HDL (mg/dl)	36.8 ± 7.7	34.5 ± 6.7	33.4 ± 6.9	38.8 ± 7.8	2.469	0.067
Triglyceride (mg/dl)	154.6 ± 33.6	170 ± 30.7	180.6 ± 32.8	144.2 ± 33.7	5.558	0.002^*	2,3vs1,4, 3vs1,2
C-reactive protein (mg/l)	6.7 ± 1.2	8.4 ± 1.6	10.2 ± 1.4	4.1 ± 1.2	80.045	<0.001^*	2,3vs1,4, 3vs1,2
Serum omentin-1 (ng/L)	1332.40 ± 66.24	1115.30 ± 29.45	888.73 ± 21.42	2060 ± 1326.07	13.021	<0.001^*	3vs1,2,4, 2vs1,4
Sex					X2
Male (nα%)	12 (48%)	12 (48%)	14 (56%)	10 (50%)	0.430	0.934	–
Female	13 (52%)	13 (52%)	11 (44%)	10 (50%)

LDL: Low density lipoprotein.

HDL: High density lipoprotein.

Anova test, LSD: Least significant difference.

Table 2 Correlation between serum omentin-1 and other studied parameters in the diabetic patients.

	r	p
Age	0.248	0.291
Sex	0.195	0.410
Duration of diabetes	−0.450	0.004^*
Body mass index	−0.467	0.038^*
HbAIc	−0.877	<0.001^*
Total cholesterol	−0.560	0.010^*
LDL	−0.590	0.006^*
HDL	0.568	0.009^*
Triglyceride	−0.576	0.008^*
CRP	−0.789	<0.001^*

HbAIc: Glycosylated hemoglobin.

LDL: Low density lipoprotein.

HDL: High density lipoprotein.

CRP: C-reactive protein.

r: Correlation coefficient.