Table 2 The perioperative and follow-up outcomes of included patients
Before PSM | After PSM | |||||
|---|---|---|---|---|---|---|
Variable | RLA (n = 101) | OA (n = 46) | P value | RLA (n = 46) | OA (n = 46) | P value |
Intraoperative data | ||||||
Hemodynamic instability [n (%)] | 46 (45.54) | 26 (56.52) | 0.217 | 25 (54.35) | 26 (56.52) | 0.834 |
Operating time (min) | 185 (89, 520) | 245 (107, 480) | 0.003 | 218 (93, 367) | 245 (107, 480) | 0.040 |
Estimated blood loss (mL) | 150 (50, 2300) | 500 (50, 3000) | 0.047 | 200 (50, 1500) | 500 (50, 3000) | 0.794 |
Transfusion [n (%)] | 31 (30.69) | 29 (63.04) | < 0.001 | 21 (45.65) | 29 (63.04) | 0.094 |
Immediate postoperative hemoglobin (g/L) | 106 (69, 161) | 107 (79, 150) | 0.607 | 107 (77,138) | 107 (79, 150) | 0.721 |
Change in hemoglobin (g/L) | 18.0 (7.0, 38.0) | 10.0 (5.0, 28.0) | 0.206 | 14.0 (7.0, 27.3) | 10.0 (5.0, 28.0) | 0.412 |
Open conversion [n (%)] | 6 (5.94) | – | – | 2 (4.35) | – | – |
Postoperative data | ||||||
Postoperative complications [n (%)] | ||||||
Overall morbidity | 39 (38.61) | 16 (34.78) | 0.656 | 21 (45.65) | 16 (34.78) | 0.288 |
Clavien III/IV | 15 (14.85) | 4 (8.70) | 0.489 | 7 (15.22) | 4 (8.70) | 0.443 |
Cardiovascular morbidity causes [n (%)] | ||||||
Postoperative hypertension | 12 (11.88) | 5 (10.87) | 0.859 | 8 (17.39) | 5 (10.87) | 0.369 |
Postoperative transfusion | 9 (8.91) | 0 (0) | 0.057 | 4 (8.70) | 0 (0) | 0.058 |
Postoperative hypotension | 8 (7.92) | 3 (6.52) | 0.765 | 5 (10.87) | 3 (6.52) | 0.459 |
Return to diet (days) | 2 (1, 3) | 3 (1, 4) | 0.003 | 2 (1, 2) | 3 (1, 4) | 0.046 |
Time to drain removal (days) | 4 (2, 8) | 4 (3, 8) | 0.997 | 4 (2, 7) | 4 (3, 8) | 0.174 |
Postoperative hospital stay (days) | 7 (4, 12) | 9 (5, 14) | < 0.001 | 8 (5, 10) | 9 (5, 14) | 0.010 |
Follow-up data | ||||||
Follow-up period (months) | 42.6 (2.8, 118.8) | 70.8 (4.0, 117.5) | 40.9 (9.5, 102.5) | 70.8 (4.0, 117.5) | ||
Improvement BP [n (%)] | 81 (80.20) | 32 (69.57) | 0.156 | 38 (82.61) | 32 (69.57) | 0.143 |