Before PSM | QS n?=?170 | NQS n?=?50 | p value | After PSM | QS n?=?43 | NQS n?=?43 | p value |
---|---|---|---|---|---|---|---|
Mean age (years) | 68.49 | 66.3 | 0.2273 | 65.65 | 65.19 | 0.8589 | |
Gender female | 44.71% (n?=?76) | 38%(n?=?19) | 0.4001 | 39.53% (n?=?17) | 39.53% (n?=?17) | 1 | |
Mean BMI (Kg/m2) | 22.21 | 22.01 | 0.694 | 21.65 | 22.37 | 0.293 | |
ASA | 0.292 | 0.8204 | |||||
Class I | 7.65% (n?=?13) | 14% (n?=?7) | 0.1696 | 11.63% (n?=?5) | 16.28% (n?=?7) | 0.5337 | |
Class II | 72.35% (n?=?123) | 72% (n?=?36) | 0.9609 | 76.74% (n?=?33) | 72.09% (n?=?31) | 0.6211 | |
Class III | 20% (n?=?34) | 14% (n?=?7) | 0.3382 | 11.63% (n?=?5) | 11.63% (n?=?5) | 1 | |
History of abdominal surgery + | 32.94% (n?=?56) | 42% (n?=?21) | 0.2378 | 32.56% (n?=?14) | 34.88% (n?=?15) | 0.8196 | |
Stage | 0.6068 | 0.5808 | |||||
0 | 3.53% (n?=?6) | 4% (n?=?2) | 0.8758 | 4.65% (n?=?2) | 4.65% (n?=?2) | 1 | |
I | 28.24 (n?=?48) | 30% (n?=?15) | 0.8083 | 37.21% (n?=?16) | 25.58% (n?=?11) | 0.2453 | |
II | 31.18% (n?=?53) | 22% (n?=?11) | 0.2092 | 18.6% (n?=?8) | 20.93% (n?=?9) | 0.7866 | |
IIIa | 16.47% (n?=?28) | 26% (n?=?13) | 0.1282 | 13.95% (n?=?6) | 27.91% (n?=?12) | 0.1117 | |
IIIb | 9.41% (n?=?16) | 6% (n?=?3) | 0.4571 | 4.65% (n?=?2) | 6.98% (n?=?3) | 0.7142 | |
IV | 11.18% (n?=?19) | 12% (n?=?6) | 0.8719 | 20.93% (n?=?9) | 13.95% (n?=?6) | 0.3939 | |
Anastomosis | 0.0002* | 0.7737 | |||||
FEEA | 56.47% (n?=?96) | 36% (n?=?18) | 0.0109* | 44.19% (n?=?19) | 41.86% (n?=?18) | 0.8276 | |
DST | 40.59% (n?=?69) | 50% (n?=?25) | 0.237 | 51.16% (n?=?22) | 55.81% (n?=?24) | 0.6656 | |
handsewn | 0.59% (n?=?1) | 12% (n?=?1) | 0.0001* | 2.33% (n?=?1) | 0% (n?=?0) | 0.3145 | |
none | 2.35% (n?=?4) | 2% (n?=?1) | 0.883 | 2.33% (n?=?1) | 2.33% (n?=?1) | 1 | |
Tumor size (mm) | 35.51 | 37.34 | 0.5781 | 36.28 | 36.79 | 0.9043 | |
Location | 0.0945 | 0.8245 | |||||
colon | 77.65% (n?=?132) | 66% (n?=?33) | 0.0945 | 60.47% (n?=?26) | 62.79% (n?=?27) | 0.8245 | |
rectum | 22.35% (n?=?38) | 34% (n?=?17) | 0.0945 | 39.53% (n?=?17) | 37.21% (n?=?16) | 0.8245 | |
Operation | 0.83 | 0.712 | |||||
LAAPR | 1.18% (n?=?2) | 2% (n?=?1) | 0.6589 | 2.33% (n?=?1) | 2.33% (n?=?1) | 1 | |
LAAR | 11.76% (n?=?20) | 18% (n?=?9) | 0.2519 | 20.93% (n?=?9) | 20.93% (n?=?9) | 1 | |
LACAR | 1.18% (n?=?2) | 0% (n?=?0) | 0.441 | 2.33% (n?=?1) | 0% (n?=?0) | 0.3145 | |
LACDR | 1.18% (n?=?2) | 2% (n?=?1) | 0.6589 | 2.33% (n?=?1) | 0% (n?=?0) | 0.3145 | |
LACSR | 22.35% (n?=?38) | 20% (n?=?10) | 0.7233 | 11.63% (n?=?5) | 16.28% (n?=?7) | 0.5337 | |
LACTR | 7.65% (n?=?13) | 4% (n?=?2) | 0.3685 | 9.3% (n?=?4) | 2.33% (n?=?1) | 0.1668 | |
LA Hartmann’ operation | 1.18% (n?=?2) | 0% (n?=?0) | 0.441 | 0% (n?=?0) | 0% (n?=?0) | 1 | |
LAICR | 12.35% (n?=?21) | 8% (n?=?4) | 0.3939 | 11.63% (n?=?5) | 9.3% (n?=?4) | 0.7246 | |
LALAR | 12.94% (n?=?22) | 18% (n?=?9) | 0.3661 | 23.26% (n?=?10) | 18.6% (n?=?8) | 0.596 | |
LALt.hemi.CR | 6.47% (n?=?11) | 10% (n?=?5) | 0.5936 | 4.65% (n?=?2) | 9.3% (n?=?4) | 0.3972 | |
LARt.hemi.CR | 21.76% (n?=?37) | 18% (n?=?9) | 0.4571 | 11.63% (n?=?5) | 20.93% (n?=?9) | 0.2427 |