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

Table 5 Comparison of Ramsay scores after intravenous injection of esketamine 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
Mediate injection	1.92 ± 0.28	1.89 ± 0.33	1.83 ± 0.37	1.47	0.23
5 minutes post-injection	3.4 ± 0.6a	4.8 ± 0.4a,b	1.8 ± 0.4b	949.15	< 0.01
15 minutes post-injection	2.2 ± 0.5a	3.6 ± 0.6a,b	1.9 ± 0.3b	355.18	< 0.01
Immediate postoperative	2.04 ± 0.20a	2.08 ± 0.28a	1.85 ± 0.39	17.25	< 0.01

^aP < 0.05 compared with control group.

^bP < 0.05 compared with low-dose group.