Table 6.

Magnitude of changes (delta) induced by tilt test on hemodynamic parameters at baseline and after 24-h, 28-h, 32-h SD in normotensive, pre-hypertensive, and hypertensive groups.

Parameter	Time	Group I mean ± SD	Group II mean ± SD	Group III mean ± SD	I vs. II p-value	I vs. III p-value	II vs. III p-value
Δ HR	Baseline	17.1 ± 6.1	10.6 ± 4.0	11.7 ± 7.9	ns	ns	ns
	24-h TSD	16.3 ± 5.7	9.6 ± 5.0	11.2 ± 8.9	ns	ns	ns
	28-h TSD	18.7 ± 7.0	12.3 ± 6.8	13.0 ± 7.5	ns	ns	ns
	32-h TSD	16.6 ± 7.8	9.8 ± 3.9	14.0 ± 8.0	ns	ns	ns
Δ sBP	Baseline	18.7 ± 4.1	10.4 ± 9.4	14.4 ± 11.3	ns	ns	ns
	24-h TSD	22.0 ± 9.0	20.0 ± 8.4	16.2 ± 9.4	ns	ns	ns
	28-h TSD	21.4 ± 6.5	15.0 ± 5.0	13.6 ± 7.3	ns	0.0457	ns
	32-h TSD	22.5 ± 4.7	14.9 ± 5.6	16.7 ± 6.6	0.0266	ns	ns
Δ dBP	Baseline	26.0 ± 5.3	15.0 ± 6.1	19.3 ± 4.4	0.0011	0.0421	ns
	24-h TSD	29.0 ± 9.1	24.4 ± 9.6	22.6 ± 10.1	ns	ns	ns
	28-h TSD	28.8 ± 6.3	19.3 ± 4.2	20.7 ± 5.7	0.0022	0.032	ns
	32-h TSD	29.6 ± 5.7	18.9 ± 6.7	20.7 ± 4.2	0.006	0.0094	ns

Bolded values = values which are statistically significant, p < 0.05.