Pathogen Severity Total Mild Moderate Severe Very Severe No Organism 3 3 1 2 9 Streptococcus Pneumoniae 0 4 8 4 16 Streptococcus pyogenes 0 2 5 1 8 Staphylococcus aureus 0 2 0 0 2 Pseudomonas aeruginosa 0 1 2 3 6 Klebsiella Pneumoniae 0 2 0 2 4 H.influenzae 0 3 0 0 3 E.coli 0 1 0 1 2 Total 3 18 16 13 50

Table 1: Co-relation between severity of Chronic Obstructive Pulmonary Disease(COPD) and pathogens isolated from sputum.