. 2022 Jul 14;2022:6320973. doi: 10.1155/2022/6320973

Table 2.

PD changes in the four groups at T1–T7 (‾x ± S).

Groups	T1	T2	T3	T4	T5	T6	T7
P	4.37 ± 0.80^#	3.75 ± 1.00^∗	3.40 ± 1.07^∗	3.64 ± 1.07^∗^#	3.20 ± 1.21^∗	3.10 ± 1.24^∗	3.03 ± 1.35^∗
S1	4.43 ± 0.88^#	3.54 ± 1.01^∗^#	2.63 ± 0.87^a^∗^#	2.19 ± 0.79^a^∗^#	1.88 ± 0.44^a^∗^#	1.74 ± 0.36^a^∗^#	1.65 ± 0.31^a^∗
S2	4.15 ± 0.81^#	2.95 ± 1.24^∗^#	2.21 ± 0.90^a^∗^#	1.83 ± 0.38^a^∗^#	1.70 ± 0.26^a^∗	1.62 ± 0.26^a^∗	1.63 ± 0.27^a^∗
S3	4.23 ± 0.73^#	2.82 ± 1.06^a^∗^#	2.03 ± 0.55^a^∗^#	1.79 ± 0.23^a^∗	1.75 ± 0.26^a^∗	1.67 ± 0.22^a^∗	1.69 ± 0.22^a^∗

Compared with group P, ^aP < 0.05; compared with T1, ^∗P < 0.05; compared with T7, #P < 0.05.