Effect of intraoperative injection of esketamine on postoperative analgesia and postoperative rehabilitation after cesarean section

Table 3 Comparison of Edinburgh Postnatal Depression scale scores at different time points among the three groups of pregnant women (scores, mean ± SD)

Time point	Low-dose group (n = 97)	How-dose group (n = 97)	Control group (n = 98)	F value	P value
Prenatal 1 day	7.5 ± 2.2	7.2 ± 2.3	7.3 ± 2.3	0.245	0.783
Postoperative 2 day	7.2 ± 2.2a	7.5 ± 2.6a	8.8 ± 3.4b	8.331	< 0.001
Postoperative 7 day	7.3 ± 3.1a	7.0 ± 2.9a	9.1 ± 3.3b	13.639	< 0.001
Postoperative 42 day	8.3 ± 3.1	8.1 ± 3.0	8.8 ± 3.6	1.158	0.316

^aP < 0.05 compared with control group.

^bP < 0.05 compared with low-dose group.