Normal BAL cytology MEA Mastocytic MEA Neutrophilic MEA Mixed MEA Eosinophilic MEA SEA Total
Number of horses 122 283 79 136 64 4 199 604
Age (mean std) 10.1 (±4.5) 10.2 (±4.8) 9.4 (±4.7) 10.8 (±5.0) 9.9 (±4.5) 7.7 (±2.7) 11.9 (±3.7) 10.5 (±4.5)
% BAL aspirated 50.0 (32.7-60.0) 44.0 (28.9-54.0) 50.0 (30.0-55.6) 41.7 (28.9-50.0) 40.0-(25.0-50.0) 30.0 (25.0-66.7) 40.0 (30.0-50.0) 43.3 (30.0-54.8)
Mucus score (0-5) 1 (1-2) 2 (1-3) 2 (1-3) 2 (1-3) 2 (1-3) 2 (0-3) 3 (2-4) 2 (1-3)
% BAL macrophages 68.8 (48.9-76.5) 58.0 (52.0-65.0) 66.0 (59.5-72.5) 57.0 (52.5-62.0) 52.5 (46.6-55.8) 68.0 ( 59.8-72.9) 35.5 (24.0-45.0) 54.5 (43.0-64.5)
% BAL lymphocytes 24.5 ( 16.9-32.5) 22.5 (16.5-27.5) 21.5 (15.0-27.5) 23.0 (16.6-27.5) 23.0 (19.0-29.4) 10.7 (2.0-16.9) 13.8 (7.5-20.0) 20.0 (13.4-26.5)
% BAL neutrophils 5.0 (2.0-7.0) 14.0 (7.5-19.0) 4.0 (2.0-7.0) 17.0 (13.5-21.0) 16.0 (13.0-19.0) 3.3 ( 0.9-6.4) 43.5 (33.0-62.5) 16.5 (7.0-33.0)
% BAL mast cells 2.3 (1.0-3.5) 5.0 (2.0-7.0) 7.0 (6.0-9.0) 2.0 (1.0-3.0) 7.0 (5.5-8.8) 3.5 ( 0.9-3.9) 1.5 (0.0-2.5) 2.5 (1.0-5.0)
% BAL eosinophils 0.0 (0.0-0.5) 0.5 (0.0-1.0) 0.0 (0.0-0.5) 0.5 (0.0-0.5) 0.8 (0.0- 12.5 ( 5.3-33.3) 0.0 (0.0-0.6) 0.0 (0.0-0.5)