Table 1 Characteristics of the training and validation sets
From: Development and validation of a nomogram to predict bacterial blood stream infection
Variables | Training set | Validation set | t/Z/χ2 | P | |
|---|---|---|---|---|---|
Group | Focal infection | 87(64.0%) | 29(49.2%) | 3.749 | 0.053 |
Blood stream infection | 49(36.0%) | 30(50.8%) | |||
Gender | M | 88(64.7%) | 40(67.8%) | 0.174 | 0.676 |
F | 48(35.3%) | 19(32.2%) | |||
Age | 59.76 ± 16.22 | 56.03 ± 16.09 | 1.479 | 0.141 | |
APACHEII | 12.00(7.00,18.00) | 14.00(7.00,20.00) | − 1.163 | 0.245 | |
nCD64 index | 1.30(0.59,3.62) | 2.12(0.74,5.95) | − 1.619 | 0.106 | |
ESR(mm/h) | 23.00(10.00,44.00) | 19.00(5.00,43.00) | − 0.984 | 0.325 | |
Treg cells(%) | 7.49(5.01,9.02) | 7.74(5.68,9.51) | − 1.392 | 0.164 | |
CD28 + CD8 + T(%) | 12.41(7.90,13.58) | 12.41(10.40,15.50) | − 1.240 | 0.215 | |
PCT(ng/ml) | 0.74(0.10,3.83) | 1.08(0.20,6.36) | − 1.044 | 0.296 | |
CRP(mg/dl) | 85.67(19.50,133.53) | 56.21(12.52,200.00) | − 0.475 | 0.635 | |
IL-6(pg/ml) | 39.05(11.65,135.40) | 34.70(7.20,131.70) | − 1.198 | 0.231 | |
Lymphocyte count | 837.50(441.00,1269.50) | 910.00(532.00,1324.00) | − 0.697 | 0.486 | |
T-cell count | 502.00(230.50,797.75) | 513.00(288.00,811.00) | − 0.416 | 0.678 | |
T-cells (%) | 60.61 ± 15.14 | 60.32 ± 15.40 | 0.123 | 0.903 | |
B-cell count | 111.50(51.25,187.75) | 119.00(55.00,200.00) | − 0.525 | 0.600 | |
B-cells (%) | 13.85(8.87,19.78) | 13.95(7.40,20.05) | − 0.421 | 0.674 | |
NK-cell count | 99.00(45.25,195.75) | 91.00(54.00,204.00) | − 0.291 | 0.771 | |
NK-cells (%) | 13.26(7.96,20.42) | 11.25(7.38,19.47) | − 0.604 | 0.546 | |
CD4 + T-cells/CD8 + T-cells | 1.51(0.91,2.14) | 1.59(0.88,2.50) | − 0.460 | 0.646 | |
IFN-γ(pg/ml) | 2.65(1.35,4.30) | 2.07(1.17,4.20) | − 1.138 | 0.255 | |
IL-1β(pg/ml) | 2.66(2.01,5.61) | 2.77(1.48,4.98) | − 0.791 | 0.429 | |
IL-2(pg/ml) | 1.58(0.70,2.56) | 1.09(0.44,2.20) | − 1.951 | 0.051 | |
IL-4(pg/ml) | 2.23(1.34,3.39) | 2.16(1.16,2.88) | − 0.667 | 0.505 | |
IL-5(pg/ml) | 0.96(0.42,1.84) | 1.19(0.43,1.96) | − 0.584 | 0.559 | |
IL-8(pg/ml) | 131.69(48.14,386.44) | 153.47(61.04,394.00) | − 0.633 | 0.527 | |
IL-10(pg/ml) | 10.36(4.39,33.73) | 8.10(3.87,30.36) | − 0.914 | 0.361 | |
IL-12p70(pg/ml) | 0.86(0.63,1.31) | 0.71(0.49,1.13) | − 2.056 | 0.040 | |
IL-17 A(pg/ml) | 1.05(0.80,1.55) | 1.04(0.64,1.52) | − 0.464 | 0.643 | |
TNF-α(pg/ml) | 2.11(1.27,3.87) | 2.04(0.98,3.79) | − 0.811 | 0.418 | |
IFN-α(pg/ml) | 1.10(0.43,1.59) | 1.14(0.54,1.53) | − 0.296 | 0.767 |