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Table 3 Immunohistochemistry for AQP1 and AQP5: number of subjects with maximal scores for extent and intensity

From: Expression of aquaporins in bronchial tissue and lung parenchyma of patients with chronic obstructive pulmonary disease

    Controls (n = 15) COPD (n = 15) p*
AQP1 Vessels Intensity = 3 13 (86.7%) 10 (66.7%) NS
Extension = 3 14 (93.3%) 14 (93.3%) NS
Type 2 pneumocytes Intensity = 3 4 (26.7%) 5 (33.3%) NS
Extension = 3 1 (6.7%) 8 (53.3%) 0.016
Basal cells Intensity = 3 0 (0%) 0 (0%) NS
Extension = 3 0 (0%) 0 (0%) NS
AQP5 Vessels Intensity = 3 7 (46.7%) 5 (33.3%) 0.094
Extension = 3 3 (20%) 2 (13.3%) NS
Type 2 pneumocytes Intensity = 3 1 (6.7%) 0 (0%) NS
Extension = 3 2 (13.3%) 2 (13.3%) NS
Basal cells Intensity = 3 5 (33.3%) 3 (20%) NS
   Extension = 3 5 (33.3%) 8 (53.3%) NS
  1. 2 test. Only p below 0.1 are shown in the Table. NS, not significant.