Effect of radiological extent and severity of bronchiectasis on pulmonary function

Table 2 HRCT Scores and Pulmonary Function Test (PFT) Results for the 3 Groups

	Bronchiectasis	Asthma	COPD	Total
Extent of bronchiectasis*	5 (1-15)	4 (2-14)	5 (1-14)	5 (1-15)
Bronchial wall thickening*	2 (0-10)	2.5 (0-6)	2 (0-7)	2 (0-10)
Bronchial wall dilatation*	4 (1-16)	5 (1-15)	5 (1-15)	5 (1-16)
Plugging of large airways*	0 (0-5)	0 (0-5)	0 (0-2)	0 (0-5)
Plugging of small airways*	0 (0-5)	0 (0-3)	0 (0-2)	0 (0-5)
Decreased attenuation*	2 (0-9)	3 (0-9)	2 (0-9)	2 (0-9)
FVC%^†	88.81 ± 22.02	76.32 ± 19.93	85.00 ± 17.58	85.45 ± 21.22
FEV₁%,^‡	72.87 ± 25.74	51.96 ± 15.04	55.21 ± 13.38	65.06 ± 23.80
FEV₁/FVC^‡	66.15 ± 13.04	56.64 ± 9.49	53.34 ± 11.76	61.68 ± 13.26

HRCT scores are medians with ranges. PFT results are means with SD.
*No significant difference was found among the 3 groups (p > 0.05).
^†p < 0.05 bronchiectasis group compared with asthma group; p = NS COPD group compared with asthma and bronchiectasis groups.
^‡p < 0.05 bronchiectasis group compared with asthma and COPD groups; p = NS asthma group compared with COPD group.
Definition of abbreviations: COPD, chronic obstructive pulmonary disease; FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity; HRCT, high resolution computerized tomography.

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