Table 2.

P-values and mean differences for pairwise comparisons between groups

p-value	A	B	C	D	AP	BP	CP	DP
A	–	183.9	283.9	− 4.1	− 49.7	174.6	218.8	124.1
B	< 0.0001	–	100	− 188	− 233.6	− 9.3	34.9	− 59.8
C	< 0.0001	0.0063	–	− 288	− 333.6	− 109.3	− 65.1	− 159.8
D	1.0000	< 0.0001	< 0.0001	–	− 45.6	178.7	222.9	128.2
AP	0.5539	< 0.0001	< 0.0001	0.6580	–	224.3	268.5	173.8
BP	< 0.0001	1.0000	0.0020	< 0.0001	< 0.0001	–	44.2	− 50.5
CP	< 0.0001	0.8820	0.2157	< 0.0001	< 0.0001	0.6924	–	− 94.7
DP	0.0003	0.3140	< 0.0001	0.0001	< 0.0001	0.5335	0.0119	–

The p-values are shown in the lower triangle of the matrix

The upper triangle contains the differences, calculated as the column mean minus the row mean [N]