Table 2.
Characteristics of the patients with and without IOH.
| Variable | Patients with IOH* n=81 (6.5%) | Patients without IOH n=1171 (93.5%) | P value |
|---|---|---|---|
| Age (Mean ± SD) | 54.4±1.8 | 57.03±11.4 | **0.033 |
|
| |||
| Sex (female) | 71 (87.7%) | 1010 (86.3%) | 0.722 |
| (male) | 10 (12.3%) | 161 (17.7%) | |
|
| |||
| ASA | |||
| ASA II | 69 (85.2%) | 935 (79.9%) | 0.249 |
| ASA III | 12 (14.8%) | 235 (20.1%) | |
|
| |||
| BMI >25 kg/m2 | 38 (46.9%) | 785 (67%) | **0.000 |
|
| |||
| Hypertension | 38 (46.9%) | 794 (67.8%) | **0.000 |
|
| |||
| CMP | 8 (9.9%) | 90 (7.7%) | 0.478 |
|
| |||
| Cardiac arrhythmias | 9 (11.1%) | 76 (6.5%) | 0.110 |
|
| |||
| Angina pectoris | 4 (4.9%) | 58 (5.0%) | 0.995 |
|
| |||
| DM | 7 (8.6%) | 142 (12.1%) | 0.349 |
|
| |||
| DM on insulin | 2 (28.6%) | 42 (29.6%) | 0.983 |
|
| |||
| Kidney disease | 0 (0.0%) | 22 (1.9%) | 0.213 |
|
| |||
| Anaemia | 3 (3.7%) | 40 (3.4%) | 0.891 |
|
| |||
| DI | 12 (14.8%) | 141 (12.1%) | 0.561 |
|
| |||
| Type of surgery# | 58 (71.6%) | 901 (76.9%) | 0.362 |
|
| |||
| Duration of surgery (min) | 65.8±20.1 | 69.7±24.3 | 0.203 |
|
| |||
| TUGA (min) | 75.7±21.5 | 79.6±24.9 | 0.191 |
|
| |||
| Postoperative hypotension | 8 (9.9%) | 28 (2.4%) | 0.000 |
*
IOH – intraoperative hypotension; SD – standard deviation; ASA – American Society of Anaesthesiologists; BMI – Body Mass Index; CMP – Cardiomyopathy; DM – Diabetes mellitus; DI – difficult intubation; TUGA – time under general anaesthesia;
#
thyroidectomy;
**
Statistically significant.