| Control children | Children with malignancies, fever and chest infiltrates | |
All patients | No BAL fluid pathogens | With BAL fluid pathogens | p-value# |
Phospholipid µg·mL−1 | 8.3 (4.5–12.3, 2.2–19.3) 21 | 14.4 (5.7–27.0, 0.4–125.1) 24 | 15.7 (4.8–32.2, 2.0–67.3) 14 | 12.6 (4.7–33.7, 0.4–125.1) 10 | 0.1509 |
Protein µg·mL−1 | 31.2 (24.0–47.0, 9.8–94.2) 24 | 113.7 (53.3–482.8, 3.2–1859.9) 24*** | 121.2 (53.3–722.6, 25.8–1859.9) 14*** | 111.8 (30.1–261.2, 18.2–557.6) 10 | 0.0001 |
SP-A | | | | | |
ng·mL−1 | 120.0 (48.9–262.8, 0.0–800.0) 24 | 479.1 (215.7–1052.1, 54.2–3155.2) 24** | 368.8 (157.7–770.4, 542–976.0) 14 | 1218.5 (274.3–2274.0, 107.4–3155.2) 10*** | <0.0001 |
ng·µg protein−1 | 3.9 (1.6–12.1, 0.8–26.4) 19 | 6.3 (0.7–12.2, 0.0–37.8) 24 | 3.1 (0.3–8.8, 0.0–37.8) 14 | 8.8 (4.6–23.1, 0.8–32.6) 10 | 0.1341 |
ng·µg PL−1 | 17.6 (9.4–34.1, 4.6–81.5) 18 | 40.6 (17.2–106.7, 0.8–291.8) 24 | 37.6 (14.3–55.1, 0.8–97.7) 14 | 122.0 (17.5–227.1, 13.2–292.8) 10* | 0.0198 |
SP-A binding to Pa % control | 100.0 (72.8–298.8, 6.2–629.3) 17 | 70.1 (25.5–199.2, 12.7–1970.1) 20 | 150.7 (45.6–276.3, 24.1–1970.1) 12 | 25.0 (16.5–75.6, 12.7–232.5) 8 | 0.0854 |
SP-D | | | | | |
ng·mL−1 | 37.7 (14.0–66.3, 0.0–119.3) 24 | 50.8 (16.9–73.2, 0.0–208.8) 22 | 40.3 (21.0–60.4, 0.0–208.8) 12 | 50.8 (6.6–92.0, 0.0–105.0) 10 | 0.9961 |
ng·µg protein−1 | 1.1 (0.4–2.3, 0.1–8.5) 23 | 0.4 (0.2–0.8, 0.0–2.7) 18* | 0.6 (0.1–0.9, 0.0–1.1) 10 | 0.4 (0.2–0.6, 0.2–2.71) 8 | 0.0304 |
ng·µg PL−1 | 3.4 (1.8–12.0, 0.2–25.4) 20 | 4.9 (1.0–14.6, 0.1–124.3) 18 | 1.5 (0.9–33.1, 0.8–106.0) 10 | 9.0 (2.2–13.3, 0.1–124.3) 8 | 0.8478 |
SP-D binding to Pa % control | 100.0 (69.9–162.0, 52.3–265.2) 14 | 344.7 (39.6–444.9, 0.0–990.1) 14 | 345.8 (68.6–564.9, 0.0–741.7) 7 | 343.7 (140.5–729.9, 18.8–990.1) 7 | 0.2374 |