Table 2.

Spearman Correlation Coefficient Rank Sum Test Between the s120S (120-kDa) SIRT1 and Patient Characteristics

Variable	All Subjects		Normal Subjects		COPD Only
	r	P Value	r	P Value	r	P Value
BMI	0.36	.0077	0.28	.13	0.34	.092
Pack-year	–0.33	.014	–0.16	.38	–0.13	.51
FEV1/FVC	0.31	.021	–0.072	.69	0.32	.11
Emphysema score	–0.38	.0048	–0.082	.33	–0.34	.091
Kco % predicted	0.32	.025	0.059	.77	0.32	.13
FEV1 % predicted	0.29	.032	–0.088	.63	0.40	.046
Pao2/Paco2	0.28	.034	0.22	.22	0.058	.77
RV % predicted	–0.27	.054	0.11	.57	–0.23	.26
IC % predicted	0.28	.064	0.26	.20	0.25	.28
Dlco % predicted	0.26	.069	–0.043	.83	0.33	.10
Pao2/Fio2	0.23	.079	0.11	.55	0.036	.86
Pao2	0.22	.098	0.11	.55	–0.026	.90
6MWD	0.22	.11	–0.097	.60	0.45	.023
Dsat	0.20	.14	0.14	.45	0.12	.56
FVC % predicted	0.20	.14	–0.059	.75	0.27	.18
Aado2	–0.18	.17	–0.032	.86	–0.052	.80
FRC % predicted	–0.19	.18	0.10	.60	–0.083	.69
RV/TLC	–0.16	.24	–0.013	.95	–0.025	.90
Paco2	–0.06	.65	–0.097	.60	0.039	.85
TLC % predicted	–0.06	.66	0.21	.30	–0.10	.61

See Table 1 legend for expansion of abbreviations.