TABLE 4.

The preoperative anxiety and postoperative pain of the two groups of patients.

Group	SAS	n	Mean ± SD	t	NRS	n	Mean ± SD	t-value	r
A (n = 50)	≤30	0	40.56 ± 4.72	−0.965	≤3	14	4.32 ± 0.89	−2.585	0.836
	31–40	21			4–5	36
	41–49	29			6–7	0
	≥50	0			>7	0
B (n = 50)	≤30	0	41.42 ± 4.18		≤3	14	4.90 ± 1.31		0.870
	31–40	20			4–5	10
	41–49	30			6–7	26
	≥50	0			>7	0

Group A: dexmedetomidine postoperative analgesia pump group.

Group B: sufentanil postoperative analgesia pump group.

NRS, numerical rating scale; SAS, the self-rating anxiety scale; SD, standard deviation.