Table 4.
Laboratory findings among different age-onset groups.
| Lab results on admission |
All (n = 797) |
JSLEa (n = 88) |
ASLEb (n = 638) |
LSLEc (n = 71) |
P |
|---|---|---|---|---|---|
| Leukopenia (%) | 389 (48.8) | 34 (38.6) | 318 (49.8) | 37 (52.1) | 0.121 |
| Erythropenia (%) | 330 (41.4) | 33 (37.5) | 267 (41.8) | 30 (42.3) | 0.731 |
| Thrombocytopenia (%) | 231 (29.0) | 25 (28.4) | 180 (28.2) | 26 (36.6) | 0.331 |
| Anaemia (%) | 509 (63.9) | 57 (64.8) | 410 (64.3) | 42 (59.2) | 0.685 |
| Proteinuria (%) | 433 (54.3) | 48 (54.5) | 359 (56.3) | 26 (36.6) | 0.007 |
| Haematuria (%) | 326 (40.9) | 38 (43.2) | 268 (42.0) | 20 (28.2) | 0.072 |
| Increased ALTd (%) | 124 (15.6) | 19 (21.6) | 98 (15.4) | 7 (9.9) | 0.122 |
| Increased ASTe (%) | 138 (17.3) | 17 (19.3) | 112 (17.6) | 9 (12.7) | 0.512 |
| Hypoalbuminemia (%) | 457 (57.3) | 41 (46.6) | 382 (59.9) | 34 (47.9) | 0.015 |
| Increased serum creatinine (%) | 101 (12.7) | 12 (13.6) | 86 (13.5) | 3 (4.2) | 0.081 |
| Increased BUNf (%) | 184 (23.1) | 22 (25.0) | 146 (22.9) | 16 (22.5) | 0.901 |
| Decreased eGFRg (%) | 72 (9.0) | 6 (6.8) | 61 (9.6) | 5 (7.0) | 0.582 |
| Increased ESRh (%) | 592 (74.3) | 60 (68.2) | 476 (74.6) | 56 (78.9) | 0.282 |
| Positive ANA i (%) | 708 (88.8) | 78 (88.6) | 566 (88.7) | 64 (90.1) | 0.935 |
| Positive anti-dsDNAj(%) | 411 (51.6) | 47 (53.4) | 332 (52.0) | 32 (45.1) | 0.503 |
| Positive anti-Smk (%) | 256 (32.1) | 35 (39.8) | 202 (31.7) | 19 (26.8) | 0.186 |
| Decreased complement C3 (%) | 552 (69.3) | 66 (75.0) | 442 (69.3) | 44 (62.0) | 0.209 |
| Decreased complement C4 (%) | 464 (58.2) | 60 (68.2) | 363 (56.9) | 41 (57.7) | 0.132 |
aJSLE juvenile-onset SLE; bASLE adult-onset SLE; cLSLE late-onset SLE; dALT alanine aminotransferase; eAST aspartate aminotransferase; fBUN blood urea nitrogen; geGFR estimated glomerular filtration rate; hESR erythrocyte sedimentation rate; iANA, anti-nuclear antibody; janti-dsDNA anti-double-stranded deoxyribonucleic acid antibody; kanti-Sm anti-Smith antibody.