| C group | F group | P-value |
---|---|---|---|
Initial time of pain relief (months) | Â | Â | 0.001a |
 ≤1 | 37(46.3%) | 3(18.8%) | |
 1<T≤3 | 36(45.0%) | 6(37.5%) | |
  > 3 | 7(8.8%) | 7(43.8%) | |
Initial time of serum Phos. Rising (months) | Â | Â | 0.099a |
 ≤1 | 19(35.2%) | 2(20.0%) | |
 1<T≤3 | 25(46.3%) | 3(30.0%) | |
 3<T≤6 | 6(11.1%) | 4(40.0%) | |
 >6 | 4(7.4%) | 1(10.0%) |