TABLE 2.

Cellular half-lives for each subset and participant

Group and SCOPE PID	Half-life (days)
	NV	SCM	CM	TM	EM	TD
Early
2647	488	160	103	94	88	165
2531	839	258	149	111	82	274
2664	2,484	184	202	143	151	536
2606	1,451	138	145	114	156	296
2454	2,146	139	135	105	108	245
2661	2,361	266	430	261	174	385
Median	1,799	172	147	113	130	285
Late
1408	1,747	153	144	95	64	291
3632	766	126	106	74	71	203
1756	1,107	165	93	77	52	244
2274	904	99	135	120	133	221
2208	557	89	128	97	98	238
Median	904	126	128	95	71	238