. 2023 Jan 20;54(1):155–160. [Article in Chinese] doi: 10.12182/20230160102

表 5. Comparison of postoperative sleep quality scores among the three groups ().

三组患者术后睡眠质量评分的比较（ Inline graphic ）

Group	n	The first night	The second night	The third night
^a P<0.05, ^b P<0.01, vs. control group;^c P<0.05, vs. R group.
Control	43	2.7±0.5	2.5±0.4	2.3±0.4
R	43	2.2±0.3	1.7±0.2^a	1.5±0.2^a
RD	43	2.0±0.3	1.2±0.3^{b, c}	1.0±0.2^{b, c}