Table 4.

Loss of Telomere Fluorescence in T Lymphocytes Varies with Age

Subset	Age range	n	y intercept (MESF × 10−3)	Slope (MESF × 10−3/yr)	Slope(bp/yr)	R value
Linear regression analysis
	yr
CD4 + N	0–90	127	19.56	−0.079	−39	−0.53
CD4 + M	0–90	109	15.07	−0.103	−51	−0.63
CD8 + N	0–90	126	18.1	−0.069	−34	−0.49
CD8 + M	0–90	77	15.76	−0.11	−54	−0.69
Bisegmented line analysis
CD4 + N	0–1	38	20.97	−2.34	−1,158
	≥1	89	18.7	−0.06	−30
CD4 + M	0–3.5	32	18.81	−1.93	−955
	≥3.5	77	12.22	−0.05	−25
CD8 + N	0–1.5	43	18.98	−1.11	−549
	≥1.5	83	17.38	−0.055	−27
CD8 + M	0–1.5	17	19.64	−3.46	−1,712
	≥1.5	60	14.59	−0.088	−44