7 days | 1 month | 6 months | 24 months | ||
---|---|---|---|---|---|
Vas | BPS | 4.43 ± 1.04 | 2.38 ± 0.58 | 2.19 ± 0.67 | 1.83 ± 0.58 |
UPS | 3.61 ± 1.52 | 2.36 ± 0.58 | 2.25 ± 0.50 | 2.06 ± 0.41 | |
P value | 0.0063 | n.s | n.s | n.s | |
ODI | BPS | 18.5 ± 3.92 | 14.3 ± 2.79 | 10.9 ± 3.27 | 7.19 ± 2.77 |
UPS | 16.1 ± 4.55 | 14.3 ± 3.39 | 11.4 ± 2.98 | 8.03 ± 3.01 | |
p value | 0.0168 | n.s | n.s | n.s |