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. 2015 Sep 28;1:15005. doi: 10.1038/npjamd.2015.5

Table 1. Correlations of T-cell subsets with frailty score (0–5).

	Zero order		Controlling for age
	Spearman’s r	P-value	Partial r	P-value
%CD4	0.112	0.021	0.075	0.124
%CD8	−0.112	0.021	−0.075	0.124
CD4/CD8 ratio	0.112	0.021	0.146	0.003a
CD8⁺CD28⁺CD27⁻	−0.081	0.097	−0.062	0.201
CD8⁺CD28⁺CD27⁺	−0.095	0.051	−0.037	0.452
CD8⁺CD28⁻CD27−	0.047	0.334	0.014	0.779
CD8⁺CD28⁻CD27⁺	0.128	0.008a	0.153	0.002a
CD8⁺CD28⁻	0.116	0.017	0.090	0.065
CD8⁺CD57⁺	0.088	0.070	0.016	0.737
CD4⁺CD28⁺CD27⁻	−0.042	0.386	−0.062	0.201
CD4⁺CD28⁺CD27⁺	−0.040	0.415	0.017	0.721
CD4⁺CD28⁻CD27⁻	0.005	0.921	−0.008	0.865
CD4⁺CD28⁻CD27⁺	0.098	0.044	0.097	0.047
CD4⁺CD27⁻	−0.015	0.764	−0.055	0.257
CD4⁺CD57⁺	0.004	0.939	−0.046	0.343

^a

Statistically significant by Holm–Bonferronni corrected P-value <0.0042.