Table 1

Morphometric analysis of the mucosa of Mycobacterium avium complex (MAC), Mycobacterium tuberculosis (TB), and Mycobacterium smegmatis (SM) infected organ cultures (n=6)

MucusDamaged mucusCiliated mucosaUnciliated mucosa
15 m3 h24 h7 d14 d15 m3 h24 h7 d14 d15 m3 h24 h7 d14 d15 m3 h24 h7 d14 d
Figures are the percentage of the mucosal surface surveyed occupied by a particular feature. n=number of experiments in which the mucosal feature was observed out of six.
15 m=15 minutes; 3 h and 24 h=3 and 24 hours; 7d and 14d = 7 and 14 days incubation time.
MAC
    Mean22.719.715.118.310.824.018.620.515.337.414.216.912.419.612.239.144.852.046.939.6
    SE9.26.47.12.45.512.610.311.06.216.97.87.57.59.34.311.910.212.86.810.3
    Median15.516.213.219.16.114.812.512.714.817.68.910.49.613.414.040.845.742.242.443.7
    n5/65/65/66/64/65/65/65/64/65/66/66/66/65/66/66/66/66/66/66/6
TB
    Mean12.818.517.413.516.619.328.721.225.329.020.321.615.811.816.347.631.245.649.438.1
    SE5.16.53.74.75.78.813.111.411.219.418.616.214.38.58.07.07.811.36.89.0
    Median11.616.413.614.511.314.716.914.117.819.311.312.86.4011.146.728.533.944.135.1
    n5/64/64/64/65/65/64/64/64/65/66/65/65/66/66/66/66/66/66/66/6
SM
    Mean16.826.419.015.111.024.725.922.826.531.315.319.317.916.816.343.228.440.341.641.4
    SE2.418.48.13.22.710.59.316.211.025.87.48.68.68.36.86.24.75.77.56.5
    Median17.114.615.516.511.319.422.612.915.619.412.516.79.311.817.144.830.742.442.138.0
    n5/65/65/65/65/65/65/65/65/66/66/66/65/66/65/66/66/66/66/66/6