Is human immunodeficiency virus (HIV) stage an independent risk factor for altering the periodontal status of HIV-positive patients? A South African study

Table 3 Correlation of age and CD4+ T cell counts with clinical indices

	Correlation	Plaque index	Gingival index	Probing depth	Clinical attachment loss
Age	rho	0.28149	0.18813	0.18842	0.15461
Age	p value	0.0018	0.0396	0.0393	0.0918
HIV stage (Groups A, B, C)	rho	−0.02748	−0.03339	0.09761	0.12376
HIV stage (Groups A, B, C)	p value	0.7657	0.7173	0.2889	0.1781
Total CD4 + T cell counts (A + B + C)	rho	0.01514	−0.01133	0.18472	0.20212
Total CD4 + T cell counts (A + B + C)	p value	0.8696	0.9023	0.0434	0.0268

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