Innovative integration of lung ultrasound and wearable monitoring for predicting pulmonary complications in colorectal surgery: A prospective study

Table 3 Postoperative movement and lung ultrasound score in different postoperative days, mean ± SD

	Movement distance				Lung ultrasound score
	n = 101	Difference from yesterday	95%CI of mean difference	P value	n = 101	Difference from yesterday	95%CI of mean difference	P value
POD1	466 (195)				3.54 (2.22)
POD2	743 (310)	277 (216)	(234, 319)	0.000	4.64 (2.88)	1.10 (2.54)	(0.60, 1.60)	0.000
POD3	1025 (347)	281 (221)	(238, 325)	0.000	2.75 (1.86)	-1.89 (1.98)	(-2.28, -1.50)	0.000
POD4	1212 (391)	187 (208)	(146, 228)	0.000	1.87 (1.72)	-0.88 (1.49)	(-1.18, -0.59)	0.000
POD5	1264 (323)	52 (285)	(-5, 108)	0.072	1.15 (1.39)	-0.72 (0.92)	(-0.90, -0.54)	0.000

POD: Postoperative day; CI: Confidence interval.