highly significantP <0.0001
The P values remained highly significant for NRS ( P <0.0001), VAS ( P <0.0001), BPI-MSF ( P = 0.001), and PDQ ( P = 0.02), while the P values for ≥30% pain reduction ( P = 0.27) and ≥50% pain reduction ( P = 0.02) were also consistent with the primary analyses.