Short-term effects of mobilization on oxygenation in patients after open surgery for pancreatic cancer: a randomized controlled trial

Table 4 PaCO₂ and pH of patients in the two groups

Variable	Follow-up	Same-day mobilization group (n = 40)	Next-day mobilization group (n = 40)	p-value	Estimated effect of same-day mobilization (95% CI)
PaCO₂, kPa	POD 0: 1800 h	4.8 (0.4) n = 32	5.1 (0.5) n = 25	0.28	− 0.128 (− 0.361; 0.104)
	POD 0: 2000 h	4.8 (0.5) n = 39	4.8 (0.5) n = 36	0.57	0.060 (− 0.150; 0.270)
	POD 0: 2200 h	4.9 (0.4) n = 38	4.9 (0.5) n = 39	0.65	− 0.048 (− 0.256; 0.160)
	POD 1: Before mobilization	4.7 (0.3) n = 34	4.7 (0.4) n = 39	0.64	0.050 (− 0.162; 0.261)
	POD 1: After mobilization	4.8 (0.5) n = 34	4.8 (0.5) n = 39	0.76	− 0.033 (− 0.246; 0.179)
	Overall estimated effect of same-day mobilization			0.80	− 0.020 (− 0.177; 0.137)
pH	POD 0: 1800 h	7.39 (0.3) n = 32	7.38 (0.04) n = 25	0.18	0.013 (− 0.005; 0.031)
	POD 0: 2000 h	7.39 (0.04) n = 39	7.38 (0.04) n = 36	0.16	0.006 (− 0.011; 0.023)
	POD 0: 2200 h	7.40 (0.03) n = 38	7.39 (0.04) n = 39	0.47	0.012 (− 0.005; 0.028)
	POD 1: Before mobilization	7.43 (0.04) n = 34	7.43 (0.04) n = 39	0.16	0.004 (− 0.013; 0.020)
	POD 1: After mobilization	7.41 (0.03) n = 34	7.40 (0.04) n = 39	0.67	0.013 (− 0.004; 0.029)
	Overall estimated effect of same-day mobilization			0.18	0.009 (− 0.004; 0.023)

Mean (SD) and mean difference (95% confidence interval); POD post-operative day

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