Correlation between blood pressure changes and AMS, sleeping quality and exercise upon high-altitude exposure in young Chinese men

Table 4 High-altitude blood pressure changes and exercise (mmHg, x ± s )

Item			SBP (mmHg)	DBP (mmHg)	MABP (mmHg)	Pulse BP (mmHg)
EG1	3,700 m Day 2 (n = 100)	Low altitude (n = 100)	117.59 ± 11.75	76.44 ± 11.08	90.19 ± 10.80	41.10 ± 6.92
		Pre-exercise	114.76 ± 11.15	75.44 ± 8.98	88.55 ± 8.85	39.32 ± 8.71
		Post-exercise (1)	119.61 ± 13.32^b	77.37 ± 10.28	91.45 ± 10.06^b	42.24 ± 11.28^b
		Post-exercise (2)	123.13 ± 12.47^ab	75.46 ± 11.15	91.35 ± 10.08^b	47.67 ± 12.21^ab
EG2	3,700 m Day 7 (n = 53)	Low altitude (n = 53)	111.60 ± 10.15	70.00 ± 8.09	83.87 ± 8.16	41.60 ± 7.14
		Pre-exercise	116.08 ± 12.45^c	74.38 ± 10.96^c	88.28 ± 10.26^c	41.70 ± 10.90
		Post-exercise (1)	120.26 ± 15.77^c	75.89 ± 11.71^c	90.68 ± 12.26^c	44.38 ± 10.41
		Post-exercise (2)	122.38 ± 11.97^cd	75.26 ± 11.76^c	90.97 ± 10.37^c	47.11 ± 12.08^cd

EG: Exercise Group. Pre-exercise: before the first exercise at high-altitude 3,700 m; Post-exercise (1): after the first exercise at high-altitude 3,700 m; Post-exercise (2): after the second exercise. ^aP < 0.05 compared with low altitude (EG1). ^bP < 0.05 compared with high-altitude 3,700 m Day 2 (EG1) Pre-exercise. ^cP < 0.05 compared with Low altitude (EG2). ^dP < 0.05 compared with high-altitude 3,700 m Day 7 (EG2) Pre-exercise.

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