Table 3.
Unadjusted outcomes for hip fracture, colectomy, pancreatectomy, and spine surgery performed in Canada and the USA
| Hip fracture | Colectomy | Pancreatectomy | Spine surgery | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Canada (N = 21,166) | US (N = 73,817) | P-value | Canada (N = 21,276) | US (N = 218,307) | P-value | Canada (N = 873) | US (N = 12,078) | P-value | Canada (N = 14,088) | US (N = 252,029) | P-value | |
| Mortality, number (%) | 1190 (5.62) | 3962 (5.32) | 0.085 | 282 (1.33) | 3005, 1.38 | 0.541 | 15 (1.72) | 108 (0.89) | 0.015 | 38 (0.27) | 741 (0.29) | 0.604 |
| Cardiac, number (%) | 723 (3.42) | 1728 (2.34) | < 0.001 | 345 (1.62) | 2088 (0.96) | < 0.001 | 30 (3.44) | 162 (1.34) | < 0.001 | 60 (0.43) | 992 (0.39) | 0.552 |
| Pneumonia, number (%) | 751 (3.58) | 2179 (2.98) | < 0.001 | 483 (2.27) | 3733 (1.71) | < 0.001 | 55 (6.32) | 326 (2.70) | < 0.001 | 104 (0.74) | 1745 (0.69) | 0.524 |
| Renal Failure, number (%) | 123 (0.58) | 462 (0.63) | 0.462 | 227 (1.07) | 2492 (1.14) | 0.325 | 11 (1.26) | 88 (0.73) | 0.082 | 17 (0.12) | 474 (0.19) | 0.070 |
| ROR, number (%) | 302 (1.43) | 1310 (1.77) | < 0.001 | 890 (4.18) | 9066 (4.15) | 0.833 | 33 (3.78) | 346 (2.86) | 0.121 | 438 (3.11) | 6023 (2.39) | < 0.001 |
| SSI, number (%) | 320 (1.51) | 735 (1.00) | < 0.001 | 2169 (10.28) | 14,676 (6.82) | < 0.001 | 140 (16.13) | 1526 (12.72) | 0.004 | 434 (3.09) | 3737 (1.48) | < 0.001 |
| Sepsis, number (%) | 191 (0.91) | 860 (1.17) | 0.001 | 659 (3.12) | 6516 (3.07) | 0.677 | 30 (3.46) | 599 (4.99) | 0.043 | 66 (0.47) | 1489 (0.59) | 0.063 |
| Unplanned Intubation, number (%) | 101 (0.48) | 994 (1.35) | < 0.001 | 222 (1.04) | 2844 (1.30) | 0.001 | 13 (1.49) | 212 (1.76) | 0.561 | 50 (0.35) | 1053 (0.42) | 0.258 |
| Composite | 2419 (11.43) | 7408 (10.04) | < 0.001 | 3272 (15.38) | 26,514 (12.15) | < 0.001 | 191 (21.88) | 2060 (17.06) | < 0.001 | 893 (6.34) | 10,520 (4.17) | < 0.001 |
| LOS event (> 6 days), number (%) | 10,375 (49.02) | 10,748 (14.56) | < 0.001 | 5034 (23.66) | 40,628 (18.61) | < 0.001 | 282 (32.30) | 2689 (22.26) | < 0.001 | 4736 (33.62) | 51,554 (20.46) | < 0.001 |
| LOS, days, mean, SD) | 9.13 (9.33) | 4.42 (4.19) | < 0.001 | 6.60 (6.61) | 5.62 (5.48) | < 0.001 | 7.57 (5.92) | 6.58 (4.85) | < 0.001 | 3.89 (7.17) | 2.44 (4.81) | < 0.001 |
| Readmission, number (%) | 918 (4.34) | 6765 (9.16) | < 0.001 | 1699 (7.99) | 21,105 (9.67) | < 0.001 | 113 (12.94) | 2007 (16.62) | 0.005 | 495 (3.51) | 11,552 (4.58) | < 0.001 |
Bold values indicate statistical significance (P < 0.05)
Denominators vary slightly by procedure and outcome reflecting NSQIP methodology and rules for the coding and assessment of each outcome