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. 2016 Oct 1;10(10):ZC58–ZC62. doi: 10.7860/JCDR/2016/20294.8651

[Table/Fig-3]:

Overall correlation between serum and salivary urea and creatinine in study groups.

Groups Correlation between Correlation Coefficient
(Spearman’s rho)		 p-value
Chronic Kidney Disease (n=30) Serum urea and salivary urea 0.958
Very strong positive relationship		 0.000 (<0.001)
Significant correlation
Serum creatinine and salivary creatinine 0.931
Very strong positive relationship		 0.000 (<0.001)
Significant correlation
Diabetes
(n=30)		 Serum urea and salivary urea 0.957
Very strong positive relationship		 0.000 (<0.001)
Significant correlation
Serum creatinine and salivary creatinine 0.920
Very strong positive relationship		 0.000 (<0.001)
Significant correlation
Hypertension (n=30) Serum urea and salivary urea 0.905
Very strong positive relationship		 0.000 (<0.001)
Significant correlation
Serum creatinine and salivary creatinine 0.960
Very strong positive relationship		 0.000 (<0.001)
Significant correlation
Controls
(n=30)		 Serum urea and salivary urea 0.931
Very strong positive relationship		 0.000 (<0.001)
Significant correlation
Serum creatinine and salivary creatinine 0.896
Very strong positive relationship		 0.000 (<0.001)
Significant correlation
Over all
(n=120)		 Serum urea and salivary urea 0.977
Very strong positive relationship		 0.000 (<0.001)
Significant correlation
Serum creatinine and salivary creatinine 0.976
Very strong positive relationship		 0.000 (<0.001)
Significant correlation