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The values of correlation coefficient (r) among the various complement proteins bound to circulating immune complexes (CIC) in SLE patients. The strongest correlation was observed among the late complement components C5 and MAC as well as C3 and C4. The rest of the complement present on CIC also demonstrated a strong correlation.
| Parameter | r-value |
|---|---|
| C1q: C3 | 0·791 |
| C1q: C4 | 0·791 |
| C1q: C5 | 0·828 |
| C1q: MAC | 0·825 |
| C3: C4 | 0·918 |
| C3: C5 | 0·778 |
| C4: C5 | 0·788 |
| C4: MAC | 0·793 |
| C5: MAC | 0·965 |
