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Table 5 Total protein concentration and IgA concentration as well as output/min of total protein and IgA in subjects with a stimulated salivary secretion rate of < 0.7 mL/min and subjects with a secretion rate of ≥ 0.7 mL/min at 6 months, 1 year and 2 years post RT

From: Stimulated saliva composition in patients with cancer of the head and neck region

  Total protein (mg/mL) IgA (µg/mL) Total protein output (mg/min) IgA output (µg/min)
6 months post RT     
< 0.7 mL/min (n = 16) 3.1 ± 1.8 257 ± 215 1.0 ± 0.5 93 ± 109
≥ 0.7 mL/min (n = 13) 2.1 ± 0.9 100 ± 60 2.6 ± 2.1 101 ± 55
  N.S p < 0.05 p < 0.01 N.S
One year post RT     
< 0.7 mL/min (n = 14) 2.4 ± 0.7 169 ± 142 1.0 ± 0.4 68 ± 46
≥ 0.7 mL/min (n = 15) 1.7 ± 0.7 125 ± 99 2.0 ± 0.6 125 ± 73
  p < 0.05 N.S p < 0.001 p < 0.05
Two years post RT     
< 0.7 mL/min (n = 14) 2.6 ± 1.0 160 ± 123 1.5 ± 1.0 76 ± 64
≥ 0.7 mL/min (n = 15) 2.0 ± 0.7 94 ± 68 2.3 ± 1.1 114 ± 74
  p < 0.05 N.S N.S N.S