Table 4.

Spearman Correlation Coefficients for Correlations Between Periodontal and Lung Pathogens Among Controls

	Periodontal Pathogens					Lung Pathogens
	Pg	Aa	Pi	Tf	Td	Hi	Sp	Pa	Kp
Pg		0.11	0.13	0.23	0.14	0.29*	0.03	−0.13	0.03
Aa			−0.02	0.18	0.18	0.20	0.23	0.11	−0.12
Pi				0.32*	0.33**	0.45**	0.21	0.24	0.14
Tf					0.12	0.41**	0.10	0.06	0.29*
Td						0.24	0.25	0.15	0.15
Hi							0.13	0.32*	0.22
Sp								0.47**	0.13
Pa									0.13
Kp

Notes: The bold values indicate the Spearman correlation coefficients between pathogens were statistically significant; **P <0.01 statistically significant; *P <0.05 statistically significant.

Abbreviations: Pg, Porphyromonas gingivalis; Aa, Actinobacillus actinomycetemcomitans; Pi, Prevotella intermedia; Tf, Tannerella forsythensis; Td, Treponema denticola; Pa, Pseudomonas aeruginosa; Sp, Streptococcus pneumonia; Hi, Haemophilus influenza; Kp, Klebsiella pneumonia.