Table 3 Laboratorial and radiological parameters
Total (n = 381) | MPPI (n = 169) | MNPI (n = 212) | p value | |
|---|---|---|---|---|
Serum urea (mmol/l) | 5.3 (3.8–8.1) | 6.2 (4.1–10.2) | 4.7 (3.5–6.9) | 0.001 |
Serum albumin (g/l) | 29 (25–33) | 28 (24–32) | 31 (27–34) | < 0.001 |
Pleural LDH (units/l) (n = 330) | 2162 (988–8425) | 4276 (1082–14453) | 1567 (919–4802) | < 0.001 |
Pleural pH (n = 282) | 7.59 (7.20–7.90) | 7.34 (6.91–7.78) | 7.68 (7.35–7.94) | < 0.001 |
Pleural glucose mmol/l (n = 297) | 0.7 (0.3–4.4) | 0.3 (0.3–3.2) | 1.6 (0.3–4.5) | 0.006 |
Pleural protein g/l (n = 335) | 42.8 (32.5–50.5) | 35.2 (22.4–45.9) | 46.6 (39.4–51.8) | < 0.001 |
Septation on ultrasound (n = 371) | 160/371 (43.1%) | 65/163 (39.9%) | 95/208 (45.7%) | 0.263 |
Pleural enhancement on computed tomography (n = 349) | 247/349 (70.8%) | 99/148 (66.9%) | 148/201 (73.6%) | 0.171 |