Year Frequency(%) Year specific mortality rate No(%) 2008 2009 2010 2011 2012 24(12.1) 34 (17.1) 40 (20.1) 45 (22.6) 56 (28.1)  7(29.2) 5 (14.7) 6 (15.0) 7 (15.6) 8 (14.3) Total 199 (100.00)   Aetiology     Frequency N (%) Mortality N (%) Tuberculosis Cardiac failure Parapneumonic Malignancies Chronic kidney diseases Chronic liver diseases Systemic lupus erythematosus Rheumatoid Arthritis Pulmonary embolism Unknown 84 (42.21) 28 (14.07) 28 (14.07) 24 (12.06) 10 (5.02) 8 (4.02) 4 (2.01) 4 (2.01) 3 (1.51) 6 (3.02) 6 (18.2) 5 (15.1) 2 (6.1) 11(33.3) 3 (9.1) 2 (6.1) 1 (3.0) 0 (0.0) 2 (6.1) 1 (3.0) Total 199 (100.00) 33 (100.00)

Table 3: Year specific mortality rate, Aetiology and mortality in patients with pleural effusion

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