Table 1 Univariate comparison of laboratory variables
Variable | Skewness | No appendicitis | Mucosal appendicitis | Transmural appendicitis | Gangrenous appendicitis | p |
|---|---|---|---|---|---|---|
Albumin (g/dL) | − 0.5 | 38.732 ± 4.203 38.326 − 39.138 | 39.516 ± 4.577 38.906 − 40.125 | 39.665 ± 4.295 39.422 − 39.907 | 37.460 ± 4.788 37.010 − 37.910 | < 0.001 |
ALP (U/L) | 3.6 | 75.886 ± 22.587 73.701 − 78.071 | 74.849 ± 25.195 71.494 − 78.205 | 75.157 ± 25.049 73.740 − 76.574 | 77.039 ± 32.724 73.962 − 80.115 | 0.599 |
ALT (U/L) | 5.8 | 21.583 ± 13.480 20.277 − 22.888 | 25.251 ± 25.896 21.802 − 28.670 | 23.704 ± 21.113 22.504 − 24.904 | 22.610 ± 21.527 20.576 − 24.643 | 0.123 |
Tot bilirubin (umol/L) | 2.8 | 15.709 ± 10.665 14.679 − 16.741 | 14.936 ± 9.212 13.709 − 16.163 | 16.094 ± 11.438 15.447 − 16.741 | 16.204 ± 10.761 15.192 − 17.215 | 0.475 |
Creatinine (umol/L) | 6.3 | 68.656 ± 16.738 67.037 − 70.275 | 70.562 ± 19.517 67.962 − 73.161 | 70.115 ± 17.150 69.144 − 71.085 | 71.420 ± 27.998 68.784 − 74.055 | 0.239 |
CRP (mg/dL) | 1.9 | 42.419 ± 60.874 36.538 − 48.300 | 56.939 ± 73.333 47.172 − 66.705 | 58.777 ± 70.485 54.793 − 62.761 | 119.710 ± 104.941 109.843 − 129.576 | < 0.001 |
Hb (g/L) | − 0.3 | 140.562 ± 16.017 139.012 − 142.111 | 142.205 ± 13.626 140.391 − 144.020 | 140.726 ± 15.113 139.870 − 141.582 | 141.165 ± 15.113 139.751 − 142.579 | 0.547 |
Lymphocytes (x109L) | 1.1 | 1.685 ± 0.896 1.599 − 1.772 | 1.705 ± 0.815 1.596 − 1.813 | 1.603 ± 0.743 1.561 − 1.645 | 1.478 ± 0.778 1.405 − 1.551 | < 0.001 |
MCV (fL) | − 0.6 | 87.058 ± 4.373 86.635 − 87.481 | 87.617 ± 5.093 86.939 − 88.296 | 87.444 ± 4.565 87.185 − 87.702 | 87.613 ± 4.884 87.154 − 88.073 | 0.298 |
MPV (fL) | 0.5 | 10.218 ± 0.840 10.136 − 10.299 | 10.267 ± 0.921 10.144 − 10.390 | 10.248 ± 0.892 10.197 − 10.299 | 10.264 ± 0.897 10.179 − 10.348 | 0.872 |
Neutrophils (x109L) | 0.3 | 8.780 ± 4.486 8.346 − 9.213 | 10.133 ± 4.554 9.527 − 10.740 | 10.179 ± 4.320 9.934 − 10.423 | 10.709 ± 4.540 10.281 − 11.136 | < 0.001 |
Platelets (x109L) | 1.0 | 253.731 ± 59.12 248.397 − 259.468 | 258.068 ± 72.617 248.397 − 267.740 | 253.697 ± 64.262 250.057 − 257.336 | 252.172 ± 64.281 246.115 − 258.230 | 0.741 |
Sodium (mmol/L) | − 1.0 | 138.322 ± 2.209 138.108 − 138.535 | 138.434 ± 2.254 138.134 − 138.734 | 138.179 ± 2.460 138.040 − 138.318 | 137.980 ± 2.600 137.735 − 138.223 | 0.080 |
WBC (x109L) | 0.3 | 12.310 ± 4.667 11.859 − 12.761 | 13.101 ± 4.543 12.496 − 13.707 | 12.540 ± 4.392 12.291 − 12.788 | 13.081 ± 4.750 12.634 − 13.528 | 0.027 |
CRP/Albumin | 2.7 | 1.208 ± 1.882 1.027 − 1.390 | 1.569 ± 2.183 1.279 − 1.860 | 1.609 ± 2.202 1.484 − 1.733 | 3.476 ± 3.394 3.157 − 3.796 | < 0.001 |
CRP/MPV | 2.0 | 5.406 ± 6.639 4.764 − 6.048 | 6.201 ± 8.110 5.120 − 7.281 | 6.213 ± 7.821 5.770 − 6.656 | 9.028 ± 9.060 8.175 − 9.881 | < 0.001 |
Albumin/MPV | − 0.1 | 3.851 ± 0.521 3.801 − 3.902 | 3.894 ± 0.514 3.826 − 3.963 | 3.847 ± 0.550 3.816 − 3.878 | 3.774 ± 0.571 3.720 − 3.828 | 0.031 |
Neutr/Lymph | 2.3 | 7.238 ± 6.538 6.605 − 7.870 | 8.122 ± 6.802 7.216 − 9.028 | 8.726 ± 7.338 8.310 − 9.142 | 10.191 ± 8.383 9.403 − 10.981 | < 0.001 |