Table 2 Surgery-related data of patients in two groups
|  | DAA (n = 52) | PLA (n = 89) | t or Z | P value | Cohen’s d | 95%CI |
|---|---|---|---|---|---|---|
Operation time (x ± s, min) | 84.33 ± 21.121 | 85.06 ± 17.492 | −0.221 | 0.825 | −0.037 | −0.729(−7.253, 5.795) |
Incision length (x ± s, cm) | 7.21 ± 0.800 | 11.99 ± 0.898 | −31.693 | 0.000 | −5.621 | −4.777(−5.075, −4.479) |
Blood loss (x ± s, ml) | 129.81 ± 108.583 | 380.34 ± 177.357 | −10.401 | 0.000 | −1.704 | −250.529(−304.261, −196.798) |
Blood transfusion (x ± s, ml) | 50.00 ± 129.099 | 86.52 ± 160.036 | −1.400 | 0.164 | −0.251 | −36.517(−88.087, 15.053) |
Hemoglobin drop (x ± s, g/L) | 27.79 ± 6.527 | 47.71 ± 12.890 | −12.154 | 0.000 | −1.950 | −19.919(−23.160, −16.678) |
Albumin drop (x ± s, g/L) | 8.94 ± 2.615 | 11.56 ± 2.435 | −5.996 | 0.000 | −1.037 | −2.619(−3.483, −1.756) |
Postoperative time to ambulation (x ± s, d) | 5.50 ± 17.105 | 6.78 ± 16.572 | −0.436 | 0.664 | −0.076 | −1.275(−7.063, 4.512) |
Hospitalization days (x ± s, d) | 7.38 ± 3.011 | 9.90 ± 3.205 | −4.594 | 0.000 | −0.810 | −2.514(−3.596, −1.432) |
VAS score one month post-surgery (x ± s) | 2.17 ± 1.987 | 3.98 ± 1.901 | −5.348 | 0.000 | −0.931 | −1.804(−2.472, −1.137) |
VAS score six months post-surgery (x ± s) | 0.69 ± 1.197 | 0.72 ± 1.279 | −0.123 | 0.902 | −0.024 | −0.027(−0.458, 0.404) |
Harris score one month post-surgery (x ± s) | 82.98 ± 5.853 | 74.25 ± 7.491 | 7.692 | 0.000 | 1.299 | 8.734(6.487, 10.980) |
Harris score six months post-surgery (x ± s) | 87.75 ± 5.800 | 81.60 ± 6.045 | 5.920 | 0.000 | 1.038 | 6.154(4.099, 8.210) |