. 2015 Oct 5;11:1531–1537. doi: 10.2147/TCRM.S87751

Table 3.

Correlation study between blood pressure parameters and studied variables using Spearman test

Variables	Daytime systolic blood pressure z-score		Nighttime systolic blood pressure z-score		Daytime diastolic blood pressure z-score		Nighttime diastolic blood pressure z-score		Mean daytime z-score		Mean nighttime z-score		Nocturnal systolic dipping		Nocturnal diastolic dipping
Variables	r	P	r	P	r	P	r	P	r	P	r	P	r	P	r	P
Height	0.052	0.762	−0.305	0.067	−0.205	0.225	−0.186	0.271	−0.198	0.240	−0.418	0.010^*	0.210	0.211	0.149	0.378
BMI	0.126	0.457	0.249	0.137	0.150	0.375	−0.270	0.105	−0.195	0.247	−0.074	0.662	0.075	0.660	0.306	0.065
IDDM duration	0.961	<0.0001^*	0.652	<0.0001^*	0.668	<0.0001^*	0.858	<0.0001^*	0.853	<0.0001^*	0.728	<0.0001^*	−0.622	<0.0001^*	−0.823	−0.0001^*
HBA_1c	0.732	<0.0001^*	0.694	<0.0001^*	0.656	<0.0001^*	0.793	<0.0001^*	0.821	<0.0001^*	0.631	<0.0001^*	−0.514	0.001^*	−0.711	<0.0001^*
Insulin dose	0.788	<0.0001^*	0.748	<0.0001^*	0.805	<0.0001^*	0.754	<0.0001^*	0.753	<0.0001^*	0.542	<0.0001^*	−0.390	0.017^*	−0.726	<0.0001^*
Albumin/creatinine ratio	0.776	<0.0001^*	0.594	<0.0001^*	0.643	<0.0001^*	0.0841	<0.0001^*	0.800	<0.0001^*	0.656	<0.0001^*	−0.590	<0.0001^*	−0.854	<0.0001^*

Notes: r, Spearman correlation;

P<0.05 (statistically significant).

Abbreviations: BMI, body mass index; IDDM, insulin dependent diabetes mellitus; HBA_1c, glycated hemoglobin.