Table 1.

Spearman rank correlation between demographic/clinical factors and markers of beta‐cell responsiveness (N = 32)

	Age (y)	HbA1c (%)	BMI SDS	TDD (U/kg)	AUCCpep (pmol/L/min)	Baseline C‐peptide (pmol/L)	Baseline C‐peptide over baseline glucose	M 0 (/min)	M I (/min)	IDAA1c	IAUCCpep (pmol/L/min)
Age (y)	1.00	−0.34	0.14	−0.08	0.46 **	0.27	0.31	0.27	0.66 **	−0.31	0.50
HbA1c (%)		1.00	0.01	−0.01	−0.19	−0.08	−0.13	−0.15	−0.36 *	0.72 **	−0.14
BMI SDS			1.00	−0.01	0.41 *	0.38 *	0.41 *	0.36 *	0.44 *	−0.18	0.69 **
TDD (U/kg)				1.00	−0.32	−0.27	−0.38 *	−0.42 *	−0.28	0.64 **	−0.22
AUCCpep (pmol/L/min)					1.00	0.88 **	0.94 **	0.92 **	0.79 **	−0.36	0.99 **
Baseline C‐peptide (pmol/L)						1.00	0.95 **	0.89 **	0.54 **	−0.24	0.87 **
Baseline C‐peptide over baseline glucose							1.00	0.94 **	0.67 **	−0.35	0.91 **
M 0 (/min)								1.00	0.63 **	−0.37	0.89 **
M I (/min)									1.00	−0.48	0.79 **
IDAA1c										1.00	−0.28
IAUCCpep (pmol/L/min)											1.00

^* P < 0.05,

^** P < 0.01. Significant correlations are shown in boldface.

Abbreviations: BMI SDS, body mass index SD score; IDAA1c, insulin‐dose adjusted HbA1c; IAUC_Cpep, incremental area‐under‐curve of C‐peptide; TDD, total daily dose of insulin.