Table 2.

Summary of results of study variables at baseline, at 1-, 4- and 24-hours time period.

S. no.	Variable name	Mean ± SD				P*
		Basal	1 hr	4 hr	24 hr
1	HR	115.7 ± 12.07	104.9 ± 20.2	100.5 ± 22.5	97.9 ± 25.3	0.000
2	RR	34.5 ± 2.76	32.3 ± 4.07	30.4 ± 5.36	28.36 ± 6.65	0.000
3	PCO2	82.79 ± 12.68	76.3 ± 13.56	71.95 ± 15.79	67.59 ± 18.84	0.000
4	PO2	54.7 ± 8.13	56.37 ± 8.01	57.75 ± 7.78	59.1 ± 7.84	0.000
5	pH	7.29 ± 0.023	7.30 ± 0.021	7.31 ± 0.034	7.31 ± 0.047	0.000

HR: heart rate, RR: respiratory rate.

No. of follow-up measurements = 3, baseline measurement = 1.

Statistical analysis: generalised linear model (repeated measurement).

^*Statistically significant.