Table 4.
Differential analysis of training set
| Variables | Total (n=340) | Normal group (n=252) | KPC group (n=88) | Statistic | P |
|---|---|---|---|---|---|
| Age, Mean ± SD | 63.13 ± 13.58 | 63.54 ± 13.85 | 61.95 ± 12.77 | t=0.94 | 0.346 |
| Sex, n (%) | χ2=0.02 | 0.881 | |||
| Female | 153 (45.00) | 114 (45.24) | 39 (44.32) | ||
| Male | 187 (55.00) | 138 (54.76) | 49 (55.68) | ||
| BMI, Mean ± SD | 24.57 ± 3.53 | 24.63 ± 3.52 | 24.39 ± 3.59 | t=0.55 | 0.582 |
| Course of T2DM, Mean ± SD | 11.96 ± 8.22 | 11.88 ± 7.79 | 12.18 ± 9.39 | t=-0.27 | 0.788 |
| Hypertension, n (%) | χ2=0.05 | 0.824 | |||
| No | 158 (46.47) | 118 (46.83) | 40 (45.45) | ||
| Yes | 182 (53.53) | 134 (53.17) | 48 (54.55) | ||
| Smoking, n (%) | χ2=1.21 | 0.271 | |||
| No | 268 (78.82) | 195 (77.38) | 73 (82.95) | ||
| Yes | 72 (21.18) | 57 (22.62) | 15 (17.05) | ||
| Drinking, n (%) | χ2=0.85 | 0.357 | |||
| No | 313 (92.06) | 234 (92.86) | 79 (89.77) | ||
| Yes | 27 (7.94) | 18 (7.14) | 9 (10.23) | ||
| Hospitalized within six months, n (%) | χ2=10.71 | 0.001 | |||
| No | 308 (90.59) | 236 (93.65) | 72 (81.82) | ||
| Yes | 32 (9.41) | 16 (6.35) | 16 (18.18) | ||
| WBC, Mean ± SD | 5.98 ± 1.89 | 5.85 ± 1.79 | 6.36 ± 2.11 | t=-2.19 | 0.029 |
| NC, Mean ± SD | 3.55 ± 1.56 | 3.57 ± 1.49 | 3.48 ± 1.75 | t=0.41 | 0.682 |
| Hb, Mean ± SD | 134.36 ± 16.75 | 135.32 ± 16.96 | 131.61 ± 15.90 | t=1.79 | 0.074 |
| FBG, Mean ± SD | 7.96 ± 3.25 | 7.85 ± 3.20 | 8.28 ± 3.39 | t=-1.07 | 0.285 |
| ALT, Mean ± SD | 21.62 ± 16.20 | 20.58 ± 16.41 | 24.60 ± 15.28 | t=-2.01 | 0.045 |
| AST, Mean ± SD | 19.37 ± 12.93 | 18.62 ± 13.07 | 21.51 ± 12.33 | t=-1.81 | 0.071 |
| Cr, Mean ± SD | 77.50 ± 29.64 | 78.63 ± 30.86 | 74.29 ± 25.76 | t=1.18 | 0.238 |
| UA, Mean ± SD | 311.06 ± 97.02 | 316.30 ± 100.35 | 296.08 ± 85.53 | t=1.69 | 0.092 |
| Ferritin, Mean ± SD | 298.64 ± 216.21 | 268.05 ± 195.98 | 386.23 ± 246.73 | t=-4.07 | < 0.001 |
| Fructosamine, Mean ± SD | 405.62 ± 112.24 | 409.35 ± 115.91 | 394.94 ± 100.86 | t=1.04 | 0.301 |
| TSH, Mean ± SD | 2.58 ± 2.09 | 2.47 ± 2.10 | 2.88 ± 2.04 | t=-1.58 | 0.115 |
| Fasting C-peptide, Mean ± SD | 0.64 ± 0.45 | 0.65 ± 0.47 | 0.60 ± 0.37 | t=1.09 | 0.276 |
Abbreviations: KPC, Klebsiella pneumoniae colonization; SD, standard deviation; BMI, body mass index; T2DM, type 2 diabetes mellitus; WBC, white blood cell; NC, neutrophil cell; Hb, hemoglobin; FBG, fasting blood glucose; ALT, alanine aminotransferase; AST, aspartate aminotransferase; Cr, creatinine; UA, uric acid; TSH, thyroid stimulating hormone.