Table 6 Statistics of postoperative adverse events (\(\bar x \pm s\), m)
Group | Incision infection | Respiratory tract infection | Arrhythmia | Weak heart | cardiac infarction | Total (%) |
|---|---|---|---|---|---|---|
Control group (n = 70) | 3(4.28%) | 2(2.85%) | 1(1.43%) | 1(1.43%) | 1(1.43%) | 8(11.42%) |
Experimental group (n = 70) | 2(2.85%) | 1(1.43%) | 2(2.86%) | 1(1.43%) | 1(1.43%) | 7(11.42%) |
T value | 2.017 | 1.772 | 3.419 | 0.893 | 1.225 | 3.843 |
P value | 0.403 | 0.215 | 0.568 | 0.491 | 0.152 | 0.264 |