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. 2006 Sep 28;4:72. doi: 10.1186/1477-7525-4-72

Table 2.

Studied parameters that significantly correlated with SGRQ total scores.

Studied parameters	Entire population	Male	Females
FEV₁% of predictive	-0.378 (p < 0.001)	-0.479 (p < 0.001)	-0.293 (p = 0.013)
IC/TLC	-0.306 (p = 0.001)	-0.368 (p = 0.002)	NS
PaO₂(mmHg)	-0.269 (p = 0.001)	-0.379 (p = 0.001)	-0.315 (p = 0.007)
PaCO₂(mmHg)	NS	0.256 (p = 0.057)	NS
6MWD (mts)	0.267 (0.002)	-0.327 (p = 0.005)	NS
Exacerbations	0.343 (p < 0.001)	0.366 (p = 0.001)	0.290 (p = 0.013)
Charlson Index	0.210 (p = 0.012)	0.380 (p = 0.001)	NS
MMRC (points)	0.659 (p < 0.001)	0.654 (p < 0.001)	0.628 (p < 0.001)

We show correlation coefficients and p values for those that showed statistical significant correlation

Spearman's coefficients for all correlations