Table 3.

Parameters at baseline (T0), during chewing gum use (weeks 1 and 2), and after chewing gum discontinuation (weeks 4 and 6; n = 13)a

ParameterBaseline T0Chewing-Gum Add-onFollow-up (after Chewing Gum Discontinuation)
Week 1Week 2Week 4Week 6
Serum Ca (mg/dl)8.41 ± 0.988.35 ± 0.548.45 ± 0.638.45 ± 0.708.58 ± 0.70
PTH (pg/ml)508.42 ± 283.88444.75 ± 238.80397.67 ± 254.20382.92 ± 221.80496.35 ± 285.75
Salivary P (mg/dl)73.21 ± 19.1952.02 ± 12.8933.19 ± 6.5368.91 ± 16.0575.33 ± 18.11
Serum P (mg/dl)7.60 ± 0.915.38 ± 0.815.25 ± 0.895.64 ± 1.027.55 ± 0.75
Calcium-phosphate product63.82 ± 10.0145.68 ± 6.4544.30 ± 7.9947.75 ± 9.8964.71 ± 8.03
  • a Data are means ± SD.