Table 6.

Anxiety degree subgroup paired t-test result for aroma.

Items	Light (n = 26)	Mild (n = 17)	Moderate (n = 11)
SYS (mmHg)
Before	119.19 ± 11.90*	121.94 ± 13.08**	135.09 ± 6.49*
After	110.19 ± 18.84	111.88 ± 12.47	120.27 ± 11.16
DIA (mmHg)
Before	82.92 ± 7.63**	80.88 ± 8.63**	86.00 ± 6.72*
After	76.73 ± 8.19	75.47 ± 7.238	78.82 ± 8.94
HR (BPM)
Before	85.77 ± 16.22**	81.82 ± 13.12**	79.00 ± 7.77*
After	76.19 ± 10.25	74.00 ± 9.507	71.82 ± 9.30
HRV (ms)
Before	160.19 ± 64.25**	112.65 ± 71.38**	122.45 ± 65.42**
After	222.65 ± 95.88	178.47 ± 85.98	169.36 ± 78.34
HF (%)
Before	54.19 ± 17.28	49.94 ± 11.64**	44.73 ± 14.52**
After	61.35 ± 10.96	63.41 ± 6.90	59.36 ± 11.80
LF (%)
Before	45.81 ± 17.28	50.06 ± 11.64**	55.27 ± 14.52**
After	38.65 ± 10.96	36.59 ± 6.90	40.64 ± 11.80
LF/HF
Before	1.09 ± 1.02*	1.13 ± 0.58**	1.418 ± 0.67**
After	0.627 ± 0.23	0.61 ± 0.  18	0.764 ± 0.45

*P < .05; **P < .01; ***P < .001.