A comparative ultrastructural and molecular biological study on Chlamydia psittaci infection in alpha-1 antitrypsin deficiency and non-alpha-1 antitrypsin deficiency emphysema versus lung tissue of patients with hamartochondroma

Table 1 Detection of Chlamydia spp. in emphysema by TEM and PCR

Groups	Cases	C. psittaci	C. pneumoniae	Fisher Yates test vs. controls
AATD emphysema
TEM	5	5 (100%)		0.00009
PCR	6	4 (66.7%)	1 (16.7%)	0.00310*
Non AATD emphysema
TEM	34	27 (79.4%)		0.00000
PCR	31	9 (29.0%)	0 (0%)	0.03989
Controls
TEM	14	0 (0%)
PCR	14	0 (0%)	0 (0%)

ISSN: 1471-2334