Characteristics | Luoyang Cohort (Derivation Cohort) | Zhengzhou Cohort (Validation Cohort) | ||||
---|---|---|---|---|---|---|
transudates | exudates | p value | transudates | exudates | p value | |
Number | 45 | 164 | NA | 32 | 163 | NA |
Sex (F/M) | 16/29 | 52/102 | 0.859 | 17/15 | 44/119 | 0.006 |
Age (y) | 67.50 (32.00–77.00) | 57.00 (14.00–70.00) | 0.012 | 65.50 (53.25–74.75) | 65.00 (55.00–72.00) | 0.697 |
Protein (g/L) | 19.45 ± 5.88 | 41.04 ± 10.04 | < 0.001 | 20.56 ± 6.95 | 42.08 ± 10.01 | < 0.001 |
LDH (U/L) | 76.00 (67.50–100.00) | 292.50 (168.80-535.50) | < 0.001 | 112.50 (82.00-132.00) | 320.50 (179.00-533.30) | < 0.001 |
Glucose (mmol/L) | 7.56 (6.41–9.55) | 6.60 (5.19–7.91) | < 0.001 | 7.30 (5.46–9.44) | 6.45 (5.29–8.16) | 0.063 |