Table 3 Adjusted for joint type and multivariable-adjusted hazard of each complication by current tobacco use status
Endpoint | Current tobacco user | Number of events | 1 year (95 % CI) | 2 years (95 % CI) | HR (95 % CI)a | p-value | HR (95 % CI)b | p-value |
|---|---|---|---|---|---|---|---|---|
Any revision | Yes | 16 | 95.8 (93.4, 98.3) | 93.6 (90.5, 96.8) | 1.98 (1.14, 3.46) | 0.02 | 1.78 (1.01, 3.13) | 0.04 |
No | 111 | 98.2 (97.8, 98.6) | 97.3 (96.7, 97.8) | 1.0 (ref) | 1.0 (ref) | |||
Deep infection | Yes | 10 | 98.1 (96.8, 99.4) | 97.0 (94.9, 99.0) | 2.45 (1.25, 4.79) | 0.009 | 2.37 (1.19, 4.72) | 0.01 |
No | 57 | 98.9 (98.6, 99.2) | 98.7 (98.3, 99.0) | 1.0 (ref) | 1.0 (ref) | |||
Superficial infection | Yes | 4 | 99.0 (98.1, 100) | 99.0 (98.1, 100) | 1.06 (0.38, 2.98) | 0.92 | 1.07 (0.37, 3.09) | 0.90 |
No | 50 | 99.1 (98.8, 99.3) | 99.1 (98.8, 99.3) | 1.0 (ref) | 1.0 (ref) | |||
Peri-prosthetic fracture | Yes | 10 | 98.2 (97.0, 99.4) | 98.2 (97.0, 99.4) | 0.84 (0.44, 1.58) | 0.59 | 1.01 (0.53, 1.92) | 0.97 |
No | 134 | 98.0 (97.6, 98.3) | 97.7 (97.3, 98.2) | 1.0 (ref) | 1.0 (ref) |