Table 2

Pretreatment anti-GM-CSF antibody concentrations and surfactant protein (SP) levels according to patient and disease features

FeatureAnti-GM-CSF Ab (μg/ml)p valueSP-A (μg/ml)p valueSP-B (μg/ml)p value
Values are mean (range).
Age (years)
    <32 (n=6)208 (51–618)NS2.8 (0.9–6.0)NS16.5 (8.5–37.5)NS
    ≥32 (n=6)320 (85–410)1.3 (0.6–1.7)24.6 (9.3–48.9)
Sex
    Male (n=9)245 (74–410)NS1.1 (0.6–29.6)0.0617.1 (9.3–37.5)NS
    Female n=(3)216 (51–618)2.8 (1.5–6.0)20.2 (8.5–48.9)
Smoker
    Never (n=6)173 (51–397)NS1.2 (0.9–2.7)NS22.3 (8.5–48.9)NS
    Current/previous (n=6)274 (85–618)2.3 (0.6–6.0)18.7 (14.8–33.0)
Time from diagnosis (months)
    ≤28 (n=7)245 (51–618)NS2.7 (0.8–6.0)0.0914.8 (8.5–22.2)0.007
    >28 (n=5)200 (85–410)1.1 (0.6–1.6)33.0 (19.3–48.9)
Prior therapeutic lavage
    No (n=3)200 (74–397)NS1.0 (0.9–1.7)NS14.5 (9.3–37.5)NS
    Yes (n=9)245 (51–618)1.6 (0.6–6.0)19.3 (8.5–48.9)
Time since lavage (months)
    <6 (n=4)260 (51–618)NS2.7 (0.8–6.0)NS18.2 (8.5–22.3)0.09
    ≥6 (n=5)245 (85–410)1.3 (0.8–3.0)31.5 (14.8–48.9)