Table 5. Associations between smoking status and complement levels.
| Complement factor | Never | Ever | p |
|---|---|---|---|
|
All |
Never (n=158) |
Ever (n=64)* |
p |
| C3a |
97.2 (46.1) |
115.4 (45.2) |
<0.001 |
| C5a |
100.1 (25.4) |
97.8 (22.7) |
0.396 |
| Bb |
97.8 (52.5) |
117.5 (64.6) |
0.002 |
| Factor H |
101.1 (58.8) |
100.4 (51.6) |
0.279 |
|
EUR |
Never (n=111) |
Ever (n=52)* |
p |
| C3a |
97.8 (50.3) |
116.8 (48.6) |
0.001 |
| C5a |
95.1 (23.8) |
96.9 (22.1) |
0.864 |
| Bb |
99.9 (57.3) |
122.2 (69.8) |
0.006 |
| Factor H |
101.3 (57.5) |
100.4 (50.3) |
0.204 |
|
AFR |
Never (n=47) |
Ever (n=12) |
p |
| C3a |
95.6 (34.5) |
109.3 (26.7) |
0.132 |
| C5a |
112.1 (25.2) |
101.7 (25.7) |
0.152 |
| Bb |
92.6 (39.1) |
97.4 (28.2) |
0.252 |
| Factor H | 100.6 (62.7) | 100.8 (59.1) | 0.992 |
*One of the EUR ever smokers is missing all complement information