The Effect of 1,8-Cineole Inhalation on Preoperative Anxiety: A Randomized Clinical Trial

Table 3

Effects of inhalation of limonene, 1,8-cineole, or eucalyptus on systolic blood pressure (sBP), diastolic blood pressure (dBP), and pulse 𝑁=62.

Variables	Control	Limonene	1,8-Cineole	Eucalyptus	𝑃 value
sBP (mmHg)
Pre	129.4±11.16	125.67±7.58	136.00±11.72	134.81±16.38	0.173
Post	129.13±11.69	124.40±13.29	131.63±11.87	130.13±12.71
Difference	0.27±4.06	1.27±7.89	4.38±7.40	4.69±6.52
𝑃 value	0.803	0.544	0.032	0.012
dBP (mmHg)
Pre	84.47±11.26	82.93±7.47	85.50±10.27	85.31±15.32	0.229
Post	84.00±11.99	80.33±8.89	87.19±8.32	85.50±12.23
Difference	0.47±3.09	2.60±4.88	−1.69±7.57	−0.19±6.24
𝑃 value	0.568	0.058	0.387	0.906
Pulse (beats/min)
Pre	79.33±6.89	76.13±6.71	78.81±10.39	79.13±6.87	0.179
Post	77.13±5.00	75.33±7.27	79.94±11.53	78.56±6.88
Difference	2.20±5.19	0.80±2.60	−1.13±3.63	0.56±4.63
𝑃 value	0.123	0.253	0.234	0.634

Pre: before inhalation; post: after inhalation.
Data presented as mean ± SD.
𝑛=15 each in the control and limonene groups and 16 each in the 1,8-cineole and eucalyptus groups.