Table 2 The features of subjects with or without hypotension
Developed hypotension (n = 173) | |||
|---|---|---|---|
Variables | Yes (n = 92) | No (n = 81) | P |
Age (years) | 72.4 ± 5.2 | 72.1 ± 5.8 | 0.748 |
Sex (male/female) | 49/43 | 49/32 | 0.338 |
BMI (kg/m2) | 22.6 ± 2.3 | 22.75 ± 2.5 | 0.691 |
ASA physical status, 1/2/3 | 8/79/5 | 6/72/3 | 0.814 |
Diabetes | 10 (10.86) | 7 (8.64) | 0.623 |
Hypertension | 22 (23.91) | 18 (22.22) | 0.792 |
Cardiovascular disease | 31 (33.7) | 13 (16.0) | 0.008 |
Medication | |||
β-blocker | 7 (7.6) | 5 (6.2) | 0.711 |
Calcium antagonist | 5 (5.4) | 4 (4.9) | 0.883 |
Thiazide | 6 (6.5) | 6 (7.4) | 0.819 |
Operation category | |||
gastric cancer | 23 (25.0) | 18 (22.2) | 0.668 |
Colon cancer | 32 (34.8) | 26 (32.1) | 0.709 |
rectal cancer | 25 (27.2) | 22 (27.2) | 0.998 |
appendiceal tumors | 12 (13.0) | 15 (18.5) | 0.322 |
Operation period (min) | 167.0 ± 56.4 | 171.2 ± 56.6 | 0.620 |
Amount of bleeding (ml) | 118.0 ± 81.0 | 111.9 ± 7.5 | 0.588 |
Nausea and vomiting | 6 (6.5) | 7 (8.6) | 0.598 |
Postoperative Infection and hemorrhage | 1 (1.1) | 0 (0) | 0.532 |
Deep vein thrombosis | 1 (1.1) | 0 (0) | 0.532 |
Dizziness and headache | 4 (4.4) | 3 (3.7) | 0.830 |