a strong trendP = 0.06
Significant main effects were present in each of the 6-month follow-up scores, and a strong trend ( P = 0.06) was seen in the main effect of class for the BPI Pain Interference score at inception ( Table 5 ).
Significant main effects were present in each of the 6-month follow-up scores, and a strong trend ( P = 0.06) was seen in the main effect of class for the BPI Pain Interference score at inception ( Table 5 ).
7.3 [SD 10.7], P = 0.03) compared to those of the other two classes, and BPI Pain severity at 6 months showed a strong trend toward significance (0.3 [SD 0.7] vs. 1.4 [SD 1.8], P = 0.07).