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Table 3 PSID evaluation

From: Early markers of right heart involvement in regular smokers by Pocket Size Imaging Device

Variable Controls n = 51 Regular Smokers n = 153 P
IVC diameter (cm) 1.32 ± 0.3 1.59 ± 0.4 <0.0001
Respiratory Variation (%) 51.0 ± 8.3 48.9 ± 9.9 NS
RA diameter (cm) 3.13 ± 0.5 3.39 ± 0.5 <0.002
RV basal diameter (cm) 3.35 ± 0.5 3.49 ± 0.5 NS
PSID Score 0.27 ± 0.5 0.65 ± 0.7 <0.005
IVC dilation (%, n) 2 (1) 8.5(13) <0.05
Pathological % resp variation (%, n) 5.9 (3) 17 (26) =0.03
RA dilation (%, n) 0 (0) 3.3 (5) =0.07
RV dilation (%, n) 3.9 (2) 2.6 (4) NS