TABLE 1.
Comparison of corrected SP concentrations among groups
| Group (n) | Mean SP concn (pg/ml)a | SD |
|---|---|---|
| Healthy adult volunteers (19) | 38 | 35.7 |
| Diagnostic-procedureb patients (23) | 35∗ | 27.2 |
| Children with sickle-cell disease (51) | 45∗ | 51.1 |
| Women with HPV (11) | 14∗ | 8.4 |
| Patients with multiple sclerosis (23) | 33∗ | 23.8 |
| Patients with CIDPc (3) | 40 | 19.2 |
| Patients with HIV (43) | 35∗ | 45.2 |
| Umbilical cord blood from HIV+ mothers (4) | 98∗ | 68.5 |
a
Adjusted for the extraction concentration effect. ∗, P ≤ 0.05 (post hoc Tukey-B analysis of variance).
b
Performed at three different time points.
c
CIDP, chronic inflammatory demyelinating polyneuropathy.