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. 2010 Feb;176(2):630–637. doi: 10.2353/ajpath.2010.090389

Table 2.

Abundance of IC Subtypes during Obstruction

% of CD cells Total ICs % of ICs (% of CD cells ± standard deviation)
Type A Type B Non-A non-B Immature
18 weeks
 Control 3.9 ± 1.4 8.4 (0.3 ± 0.5) 0 0 91.6 (3.5)
 Obstructed 6.0 ± 2.8 33.1 (2.0 ± 1.8) 23 (1.4 ± 1.2) 7.0 (0.4 ± 0.7) 36.9 (2.2)
36 weeks
 Control 5.7 ± 2.7 92.9 (5.3 ± 2.8) * * 7.1 (0.4)
 Obstructed 10.8 ± 6.2 68.8 (7.4 ± 6.0) 5.1 (0.5 ± 0.9) 7.1 (0.8 ± 1.0) 19.0 (2.1)
1 year postnatal
 Control 10.7 ± 6.2 70.2 (7.5 ± 4.8) 0 0 29.8 (3.2)
 Obstructed 3.8 ± 4.8 70.8 (2.7 ± 4.2) 1.0 (0.04 ± 0.2) 0 28.2 (1.1)

ICs fractions expressed as percentage of CD cells ± standard deviation. Numbers in bold express IC subtypes as a percentage of total ICs. Immature cells are calculated as percent of total cells minus Type A, B and non-A non-B subtypes and therefore have no standard deviations. 

*

Pendrin-positive cells not observed in 36-week gestation kidney.