Empyema (n = 11) | Parapneumonic (n = 16) | Tuberculous (n = 9) | Malignant (n = 46) | Paramalignant (n = 13) | Transudates (n = 10) | Unclassified (n = 27) | |
---|---|---|---|---|---|---|---|
Age (years) | 74.3 ± 11.1 | 76.7 ± 10.1 | 76.1 ± 17.4 | 74.5 (67, 82.3) | 77.2 ± 10.9 | 80.7 ± 9.5 | 79 (73, 88) |
Sex (male/female) | 9/2 | 13/3 | 4/5 | 25/21 | 9/4 | 9/1 | 20/7 |
Pleural fluid white blood cell count | 6355 (2160, 23,693) | 1870 (963, 6338) | 931 (782, 1325) | 1290 (890, 2355) | 1532 ± 999 | 658 ± 356 | 1045 (613, 4029) |
Pleural fluid lymphocytes (%) | 22.3 ± 22.4 | 33.3 ± 26.5 | 81.1 ± 11.3 | 36.5 (17.3, 63.5) | 57.3 ± 28.9 | 54.9 ± 16.1 | 73 (35.5, 86.5) |
Pleural fluid neutrophils (%) | 67.7 ± 31.1 | 45.5 (8.9, 77.1) | 5.2 ± 5.2 | 5.0 (1.4, 20) | 10.0 (4.5, 16.5) | 16.1 ± 16.1 | 8.0 (1.1, 15) |
Pleural fluid glucose (mg/dL) | 10 (1, 107) | 160 ± 62 | 104 ± 28 | 106 (74, 123) | 104 ± 33 | 117 (110, 141) | 93 ± 43 |
Total protein in pleural fluid (g/L) | 3.8 ± 1.1 | 3.9 ± 0.6 | 4.2 ± 0.9 | 4.6 (3.8, 5.1) | 3.9 (3.5, 4.8) | 2.7 ± 1.0 | 4.5 ± 1.1 |
Total protein in serum (g/L) | 6.0 ± 1.1 | 6.3 (5.8, 6.6) | 6.5 ± 0.6 | 6.8 ± 0.7 | 6.9 ± 0.7 | 6.0 (5.3, 6.4) | 7.1 ± 1.2 |
Total protein in pleural fluid/serum ratio | 0.65 ± 0.19 | 0.67 (0.54, 0.71) | 0.64 ± 0.11 | 0.67 (0.58, 0.72) | 0.62 ± 0.10 | 0.44 ± 0.14 | 0.63 ± 0.14 |
Pleural fluid LDH (U/L) | 1076 (474, 2522) | 496 ± 247 | 396 ± 250 | 410 (267, 775) | 234 (164, 392) | 117 (94, 128) | 232 (171, 543) |
Serum LDH (U/L) | 189 ± 71 | 254 (194, 325) | 205 (186, 245) | 269 (237, 395) | 240 ± 68 | 250 (209, 363) | 191 (152, 238) |
LDH pleural fluid/serum ratio | 6.22 (1.41, 29.67) | 1.45 (0.90, 3.41) | 1.77 ± 1.02 | 1.25 (0.97, 2.92) | 0.88 (0.76, 1.77) | 0.42 ± 0.17 | 1.24 (0.85, 2.45) |