Table 2 Mortality and major complications following surgery according to age groups
Cervical laminoplasty | Lumbar decompression | Lumbar arthrodesis | Total knee arthroplasty | p | |
|---|---|---|---|---|---|
(n = 16,020) | (n = 31,605) | (n =18,419) | (n = 41,060) | ||
Inhospital death, n (%) | 32 (0.20) | 35 (0.11) | 27 (0.15) | 27 (0.066) | < 0.001 |
Age ≤ 64 years | 5(0.077) | 4 (0.045) | 3 (0.043) | 1 (0.028) | |
65–79 | 17(0.22) | 20 (0.11) | 17 (0.17) | 15 (0.055) | |
≥ 80 | 10(0.55) | 11 (0.24) | 7 (0.51) | 11 (0.11) | |
Postoperative complications, n (%) | |||||
Surgical site infection | 320 (2.0) | 511 (1.6) | 362 (2.0) | 636 (1.5) | < 0.001 |
Sepsis | 25 (0.16) | 53 (0.17) | 53 (0.29) | 61 (0.15) | 0.002 |
Cardiac events | 279 (1.7) | 508 (1.6) | 302 (1.6) | 677 (1.6) | 0.754 |
Respiratory complications | 96 (0.60) | 104 (0.33) | 88 (0.48) | 196 (0.48) | < 0.001 |
Pulmonary embolism | 16 (0.10) | 31 (0.10) | 31 (0.17) | 167 (0.41) | < 0.001 |
Stroke | 71 (0.44) | 74 (0.23) | 42 (0.23) | 92 (0.22) | < 0.001 |
Acute renal failure | 1 (0.006) | 8 (0.025) | 7 (0.038) | 15 (0.037) | 0.227 |
At least one complication, n (%) | 757 (4.7) | 1,197 (3.8) | 808 (4.4) | 1,686 (4.1) | < 0.001 |
Age ≤ 64 years | 264 (4.0) | 254 (2.9) | 248 (3.6) | 106 (3.0) | |
65–79 | 384 (5.0) | 716 (3.9) | 467 (4.6) | 1,114 (4.1) | |
≥ 80 | 109 (6.0) | 227 (5.0) | 93 (6.7) | 466 (4.9) |