Table 2—

Repeatability of sputum cell counts and fluid‐2 phase measurements

MeasurementTime points (n=15)ICCTime points (n=15)ICC
<2 h9 h<2 h18 h
TCC 106·g−17.3 (14.4)5.2 (16.4)0.884.5 (1.9)4.0 (4.6)0.10
Viability %71.0 (20.0)69.0 (29.0)0.8965.0 (25.0)43.0 (36.0)0.24
Eosinophils %1.8 (7.0)2.0 (8.5)0.941.8 (4.9)1.3 (2.7)0.90
Neutrophils %47.7 (36.0)41.0 (30.0)0.9541.0 (35.8)52.7 (12.2)0.60
Macrophages %51.3 (51.3)50.0 (47.3)0.9741.8 (28.8)43.0 (41.4)0.56
ECP µg·L−11224 (4984)953 (6161)0.931064 (4820)1294 (2634)0.76
IL‐8 pg·mL−117696 (53,674)17229 (41081)0.8918328 (34436)14592 (24096)0.82
Fibrinogen ng·mL−12740 (13727)2069 (14551)0.992410 (12507)3110 (9487)0.84
  • Data are presented as median (interquartile range) unless otherwise stated

  • ICC: interclass correlation coefficient

  • TCC: total cell count

  • ECP: eosinophil cationic protein

  • IL‐8: interleukin‐8