Table 4. Comparison between Pearson’s correlation coefficients between plasma immature SP-B, SP-A, SP-D and RAGE levels, pulmonary function and cardiopulmonary exercise data in the heart failure population.
ImmatureSPB vs. SPA | ImmatureSPB vs. SPD | ImmatureSPB vs. RAGE | SPA vs.SPD | SPA vs.RAGE | SPD vs.RAGE | |||||||
CI 95% | p value | CI 95% | p value | CI 95% | p value | CI 95% | p value | CI 95% | p value | CI 95% | p value | |
DLCO (%pred) | (0.154;0.294) | <0.05 | (–0.008;0.326) | 0.06 | (0.141;0.500) | <0.05 | (–0.136;0.145) | NS | (–0.317;–0.007) | <0.05 | (0.014;0.317) | <0.05 |
Peak VO2 (mL/Kg) | (–0.224;0.073) | NS | (–0.305;0.038) | NS | (–0.426;–0.050) | <0.05 | (–0.221;0.109) | NS | (–0.347;0.034) | NS | (–0.272;0.058) | NS |
VE/VCO2 slope | (–0.078;0204) | NS | (–0.164;0.141) | NS | (–0.227;0.133) | NS | (–0.081;0.212) | NS | (–0.040;0.266) | NS | (–0.192;0.111) | NS |
LVEF (%) | (–0.129;0.205) | NS | (–0.183;0.173) | NS | (–0.328;0.110) | NS | (–0.147;0.217) | NS | (–0.334;0.046) | NS | (–0.064;0.277) | NS |
BNP (pg/mL) | (–0.318;0.060) | NS | (–0.263;0.220) | NS | (–0.276;0.232) | NS | (–0.285;0.088) | NS | (–0.297; 0.090) | NS | (–0.172;0.175) | NS |