Table 1. Descriptive Statistics of the Characteristics of the Patients [n=200].

Variables	Mean ± SD	95% Confidence Interval for Mean		Median (IQR)
		Lower Bound	Upper Bound
Age (years)	54.62±13.30	52.77	56.47	56 (21)
Serum creatinine (mg/dl)	2.19±1.08	2.046	2.337	1.9 (1.3)
Parenchymal thickness	4.69±0.82	4.578	4.806	4.5 (0.9)
Longitudinal length	9.87±0.94	9.745	10.008	10 (0.8)
Cortical thickness	0.94±0.253	0.902	0.973	1.1 (0.3)