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. 2010 May;160(2):256–265. doi: 10.1111/j.1365-2249.2009.04076.x

Table 2.

Total and differential cell counts for bronchoalveolar lavage fluid (BALF) and peripheral blood (PB) from patients and controls.

SARC HP HC
Characteristics (n = 23) (n = 7) (n = 24)
Total BALF cells (×104/ml) 31·1 (9·9–65·0)* 26·2 (5·1–102·9) 10·1 (4·3–16·3)
Cell types:
Alveolar macrophages % 65·2 (13·4–84·6)* 67·6 (8·5–79·7)* 87·1 (56·3–96·8)
(×104/ml) 16·0 (6·8–34·5)* 9·8 (4·0–21·2) 8·2 (3·9–15·8)
Lymphocytes % 47·0 (15·0–83·0)* 37·0 (31·0–80·0)* 9·6 (2·3–39·9)
(×104/ml) 11·2 (1·5–54·0)* 9·9 (1·8–82·3)* 0·9 (0·3–5·4)
Neutrophils % 1·1 (0·1–2·4) 1·9 (0·5–4·7) 1·6 (0·1–8·1)
(×104/ml) 0·3 (0·02–1·0) 0·8 (0·07–2·0) 0·2 (0·0–0·8)
Eosinophils % 0·5 (0·1–4·1) 0·7 (0·1–3·0) 0·3 (0·0–4·1)
(×104/ml) 0·1 (0·01–0·7) 0·3 (0·01–0·9) 0·03 (0·0–0·4)
BALF CD4/CD8 cell ratio 3·6 (0·5–25·2)* 0·8 (0·6–6·3) 1·1 (0·2–11·0)
Total PB cells (×106/ml) 5·6 (3·2–14·4)§ 7·7 (6·5–11·2) 5·8 (3·2–9·0)§
Lymphocytes % 23·0 (11·0–44·0)* 25·0 (20·0–36·0) 33·5 (20·6–49·9)
(×106/ml) 1·3 (0·4–2·5) 1·8 (1·4–3·2) 1·9 (1·3–2·8)
PB CD4/CD8 cell ratio 1·2 (0·4–3·3) 2·0 (0·6–4·0) 1·8 (0·9–5·8)

Significantly different from healthy controls (HC):

*

P < 0·001;

P < 0·01;

P < 0·05. Significantly different from hypersensitivity pneumonitis (HP):

§

P < 0·05. Significantly different from sarcoidosis (SARC);

P < 0·01. Numbers are presented as median (range). BALF: bronchoalveolar lavage fluid.