Table 1: Mean and Mean Changes in PD Gain and CAL Reduction at 3 and 6 Months, 1 and 2 Years Post- Er,Cr:YSGG Laser Treatment
Initial PD [mm] |
PD/ CAL |
Baseline |
3 Months |
6 Months |
1 Year |
2 Years |
Mean |
SD |
Mean |
Δ |
SD |
Mean |
Δ |
SD |
Mean |
Δ |
SD |
Mean |
Δ |
SD |
4 |
PD [mm] |
4.0 |
- |
2.9 |
1.1 |
0.8 |
2.7 |
1.3 |
0.6 |
2.9 |
1.1 |
0.7 |
3.0 |
1.0 |
0.8 |
CAL [mm] |
4.1 |
0.4 |
2.8 |
1.2 |
0.8 |
2.7 |
1.3 |
0.8 |
2.9 |
1.1 |
0.8 |
3.1 |
0.9 |
1.0 |
5 |
PD [mm] |
5.0 |
- |
2.9 |
2.1 |
0.8 |
2.7 |
2.3 |
0.6 |
3.0 |
2.0 |
0.8 |
3.2 |
1.8 |
0.8 |
CAL [mm] |
5.0 |
0.3 |
3.1 |
1.9 |
1.0 |
3.1 |
1.9 |
1.0 |
3.1 |
1.9 |
0.8 |
3.1 |
1.9 |
0.8 |
6 |
PD [mm] |
6.0 |
- |
2.9 |
3.1 |
0.5 |
2.8 |
3.2 |
0.5 |
3.1 |
2.9 |
0.6 |
3.3 |
2.7 |
0.7 |
CAL [mm] |
6.0 |
0.2 |
3.1 |
2.9 |
1.0 |
3.0 |
3.0 |
0.8 |
3.3 |
2.7 |
0.8 |
3.2 |
2.8 |
0.8 |
7 |
PD [mm] |
7.0 |
- |
3.2 |
3.8 |
0.8 |
3.3 |
3.7 |
0.9 |
3.5 |
3.5 |
0.8 |
3.5 |
3.5 |
1.1 |
CAL [mm] |
7.1 |
0.3 |
3.3 |
3.8 |
0.8 |
3.3 |
3.8 |
0.8 |
3.5 |
3.5 |
0.9 |
3.5 |
3.5 |
1.0 |
8 |
PD [mm] |
8.0 |
- |
3.5 |
4.5 |
0.8 |
3.4 |
4.6 |
0.8 |
3.5 |
4.5 |
0.7 |
3.6 |
4.4 |
1.2 |
CAL [mm] |
8.1 |
0.2 |
3.4 |
4.6 |
0.8 |
3.4 |
4.6 |
0.8 |
3.7 |
4.3 |
0.8 |
3.4 |
4.6 |
1.1 |
9 |
PD [mm] |
9.0 |
- |
3.6 |
5.4 |
0.5 |
3.6 |
5.4 |
0.5 |
3.5 |
5.5 |
0.5 |
4.0 |
5.0 |
1.0 |
CAL [mm] |
9.0 |
0.0 |
3.8 |
5.2 |
0.8 |
3.8 |
5.2 |
0.8 |
4.5 |
4.5 |
0.7 |
3.8 |
5.2 |
1.0 |
4-6 |
PD [mm] |
5.0 |
0.8 |
3.0 |
2.0 |
1.1 |
2.8 |
2.2 |
1.0 |
3.0 |
2.0 |
1.0 |
3.2 |
1.8 |
1.1 |
CAL [mm] |
5.0 |
0.8 |
3.1 |
1.9 |
1.2 |
3.0 |
2.0 |
1.1 |
3.2 |
1.8 |
1.0 |
3.1 |
1.9 |
1.1 |
7-9 |
PD [mm] |
7.5 |
0.6 |
3.3 |
4.3 |
0.9 |
3.3 |
4.3 |
1.0 |
3.6 |
4.0 |
1.0 |
3.7 |
3.9 |
1.2 |
CAL [mm] |
7.6 |
0.6 |
3.3 |
4.3 |
0.9 |
3.3 |
4.3 |
0.9 |
3.8 |
3.8 |
0.9 |
3.6 |
4.0 |
1.2 |