Table 3 Item response probabilities in latent class analysis
From: Latent class analysis of 216 patients with adult-onset Still’s disease
Class 1 | SE | Class 2 | SE | ||
|---|---|---|---|---|---|
Estimate | Estimate | ||||
White blood cell count (/μL) | ≤6,000 | 0.10 | 0.03 | 0.05 | 0.03 |
6000–12,000 | 0.42 | 0.05 | 0.29 | 0.09 | |
12,000< | 0.48 | 0.05 | 0.67 | 0.10 | |
Serum ferritin (ng/mL) | ≤500 | 0.10 | 0.03 | 0.04 | 0.04 |
500–5000 | 0.40 | 0.05 | 0.22 | 0.07 | |
5000< | 0.50 | 0.05 | 0.74 | 0.08 | |
Serum C-reactive protein (mg/dL) | ≤0.3 | 0.01 | 0.01 | 0.00 | 0.00 |
0.3–10 | 0.55 | 0.05 | 0.25 | 0.09 | |
10< | 0.44 | 0.05 | 0.75 | 0.09 | |
Age (years) | ≤50 | 0.64 | 0.08 | 0.15 | 0.07 |
50< | 0.36 | 0.08 | 0.85 | 0.07 | |
Splenomegaly | Presence | 0.61 | 0.08 | 0.24 | 0.08 |
Hepatomegaly | Presence | 0.40 | 0.07 | 0.13 | 0.06 |
Sore throat | Presence | 0.68 | 0.05 | 0.53 | 0.08 |
Arthritis | Presence | 0.82 | 0.04 | 0.75 | 0.07 |
Pericarditis | Presence | 0.00 | 0.01 | 0.23 | 0.09 |
Pleuritis | Presence | 0.01 | 0.01 | 0.37 | 0.12 |
Macrophage activating syndrome | Presence | 0.20 | 0.04 | 0.27 | 0.07 |
Typical rash | Presence | 0.64 | 0.05 | 0.37 | 0.1 |