Table 1 Comparison of training and validation set data
Variables | Training set (n = 350) | Validation set (n = 150) | P |
|---|---|---|---|
OP (%) | 124 (35.4%) | 60 (40%) | 0.331 |
Female (%) | 258 (73.7%) | 112 (74.7%) | 0.824 |
Age (years) | 64 (57, 70) | 64 (57, 71) | 0.750 |
RA duration (years) | 9 (4, 16) | 9 (4, 14) | 0.795 |
25 (OH)D (nmol/L) | 38.9 (28.6, 52.7) | 40.9 (26.5, 55.1) | 0.447 |
β-CTX (pg/mL) | 273 (190, 339) | 290 (200, 340) | 0.402 |
OC (ng/mL) | 13.3 (9.9, 18.8) | 13.2 (9.1, 18.5) | 0.79 |
PINP (ng/mL) | 43.2 (32.4, 55.1) | 41.9 (32.5, 55.6) | 0.946 |
ACPA (U/mL) | 249 (44, 514) | 318 (35, 676) | 0.645 |
RF (IU/mL) | 70.1 (14.5, 288.5) | 68.5 (14.2, 211.3) | 0.863 |
ESR (mm/h) | 44.5 (25.3, 66.0) | 41.0 (24.0, 65.0) | 0.584 |
CRP (mg/L) | 9.55 (1.35, 26.45) | 9.80 (2.07, 23.14) | 0.605 |
TG (mmol/L) | 4.40 (3.77, 5.06) | 4.48 (3.96, 5.08) | 0.482 |
TC (mmol/L) | 1.04 (0.80, 1.44) | 1.10 (0.85, 1.56) | 0.213 |
HDL-C (mmol/L) | 1.20 (0.97, 1.49) | 1.19 (0.94, 1.43) | 0.409 |
LDL-C (mmol/L) | 2.60 (2.04, 3.37) | 2.73 (2.04, 3.44) | 0.502 |