borderline significantP = 0.531
3.0 ± 1.6, P = 0.086) with borderline significant difference, but it tended to be deteriorated in the PBR group (2.9 ± 1.7 vs. 2.5 ± 1.8, P = 0.531).
3.0 ± 1.6, P = 0.086) with borderline significant difference, but it tended to be deteriorated in the PBR group (2.9 ± 1.7 vs. 2.5 ± 1.8, P = 0.531).