Table 4.
Individual Complications Stratified by BMI
| All Complications | Underweight, BMI ≤18.5 kg/m2 (n=1434) | Normal Weight, 18.5 kg/m2<BMI<30 kg/m2 (n=48 539) | Obese, BMI ≥30 kg/m2 (n=33 339) | P |
|---|---|---|---|---|
| Major complications | ||||
| Lead dislodgement | 11 (0.77) | 389 (0.80) | 373 (1.12) | <0.0001 |
| Pneumothorax | 30 (2.09) | 191 (0.39) | 39 (0.12) | <0.0001 |
| Cardiac arrest | 6 (0.42) | 117 (0.24) | 90 (0.27) | 0.34 |
| Coronary venous dissection | 6 (0.42) | 68 (0.14) | 44 (0.13) | 0.019 |
| Pericardial tamponade | 2 (0.14) | 55 (0.11) | 25 (0.07) | 0.20 |
| Device-related infection | 5 (0.35) | 38 (0.08) | 27 (0.08) | 0.0023 |
| Cardiac perforation | 1 (0.07) | 42 (0.09) | 14 (0.04) | 0.057 |
| Transient ischemic attack or stroke | 0 (0.00) | 23 (0.05) | 16 (0.05) | 0.71 |
| Myocardial infarction | 1 (0.07) | 14 (0.03) | 7 (0.02) | 0.47 |
| Urgent cardiac surgery | 1 (0.07) | 12 (0.02) | 8 (0.02) | 0.56 |
| Hemothorax | 0 (0.00) | 15 (0.03) | 3 (0.01) | 0.095 |
| Peripheral embolus | 1 (0.07) | 5 (0.01) | 3 (0.01) | 0.094 |
| Valve injury | 0 (0.00) | 1 (0.00) | 0 (0.00) | 0.70 |
| Minor complications | ||||
| Hematoma | 14 (0.98) | 140 (0.29) | 63 (0.19) | <0.0001 |
| Drug reaction | 1 (0.07) | 32 (0.07) | 16 (0.05) | 0.57 |
| Conduction block | 1 (0.07) | 19 (0.04) | 14 (0.04) | 0.84 |
| Set screw problem | 0 (0.00) | 20 (0.04) | 8 (0.02) | 0.33 |
| Venous obstruction | 1 (0.07) | 13 (0.03) | 9 (0.03) | 0.63 |
| Peripheral nerve injury | 0 (0.00) | 0 (0.00) | 0 (0.00) | — |
Values are reported as number and proportion with condition (%). BMI indicates body mass index.