Table 4.

Correlation between lipid species with BMI and 24-h insulin dose.

Lipid species (nmol/ml)	BMI		Insulin dose
	r	P-value	r	P-value
Dihydroceramides
dhCer 18:0;O2/16:0	0.29	0.12	0.26	0.16
dhCer 18:0;O2/18:0	0.34	0.07	0.22	0.23
dhCer 18:0;O2/20:0	0.54	0.002	0.38	0.03
dhCer 18:0;O2/22:0	0.49	0.005	0.41	0.02
dhCer 18:0;O2/24:0	0.46	0.01	0.52	0.003
dhCer 18:0;O2/24:1	0.42	0.02	0.23	0.22
Total Dihydroceramides	0.47	0.008	0.41	0.02
Ceramides
Cer 18:1;O2/16:0	0.28	0.12	0.47	0.008
Cer 18:1;O2/18:0	0.42	0.02	0.41	0.02
Cer 18:1;O2/20:0	0.39	0.03	0.52	0.003
Cer 18:1;O2/22:0	0.31	0.08	0.66	< 0.0001
Cer 18:1;O2/24:0	0.33	0.07	0.67	< 0.0001
Cer 18:1;O2/24:1	0.25	0.17	0.30	0.09
Total Ceramides	0.34	0.06	0.65	< 0.0001
Dihydrosphingomyelins
dhSM 18:0;O2/16:0	0.46	0.01	−0.04	0.82
dhSM 18:0;O2/18:0	0.46	0.01	0.15	0.45
dhSM 18:0;O2/20:0	0.58	0.008	0.36	0.04
dhSM 18:0;O2/22:0	0.60	0.004	0.40	0.03
dhSM 18:0;O2/24:0	0.54	0.002	0.40	0.03
dhSM 18:0;O2/24:1	0.50	0.004	0.24	0.20
Total Dihydrosphingomyelins	0.51	0.004	0.08	0.67
Sphingomyelins
SM 18:1;O2/16:0	0.27	0.14	0.04	0.80
SM 18:1;O2/18:0	0.38	0.04	0.04	0.81
SM 18:1;O2/20:0	0.46	0.01	0.31	0.09
SM 18:1;O2/22:0	0.33	0.07	0.18	0.32
SM 18:1;O2/24:0	0.22	0.25	0.18	0.35
SM 18:1;O2/24:1	0.40	0.02	−0.04	0.86
Total Sphingomyelins	0.38	0.03	0.08	0.67
Hexosylceramides
Hex-Cer 18:1;O2/16:0	0.15	0.42	−0.04	0.82
Hex-Cer 18:1;O2/18:0	−0.07	0.73	−0.28	0.14
Hex-Cer 18:1;O2/20:0	−0.09	0.62	−0.08	0.69
Hex-Cer 18:1;O2/22:0	−0.08	0.66	−0.08	0.68
Hex-Cer 18:1;O2/24:0	−0.09	0.62	−0.13	0.48
Hex-Cer 18:1;O2/24:1	0.02	0.88	−0.17	0.36
Total Hexosylceramides	0.05	0.79	−0.04	0.82
Diacylglycerols	0.53	0.002	0.44	0.01
Phosphatidylcholines	0.24	0.20	0.23	0.21
Triacylglycerols	0.52	0.003	0.40	0.03

r = Spearman correlation coefficient; bold represents significant correlation.