Background
Subjects and methods
Study subjects
Data collection
Statistical analysis
Results
Basic information of patients in both groups
Survival group (n = 104) | Death group (n = 58) | X2/t | p-value | |
---|---|---|---|---|
Age (years) | 70.81 ± 4.00 | 71.74 ± 4.28 | -1.390 | 0.167 |
Gender (%) | 0.000 | 0.997 | ||
men | 61(58.7) | 34(58.6) | ||
women | 43(41.3) | 24(41.4) | ||
Hypertension (%) | 1.067 | 0.302 | ||
no | 50(48.1) | 23(39.7) | ||
yes | 54(51.9) | 35(60.3) | ||
Hyperlipidemia (%) | 3.668 | 0.055 | ||
no | 68(65.4) | 29(50.0) | ||
yes | 36(34.6) | 29(50.0) | ||
ICU stay (days) | 7.24 ± 2.67 | 7.90 ± 3.04 | -1.425 | 0.156 |
Mechanical ventilation (days) | 3.49 ± 0.97 | 3.34 ± 0.89 | 0.946 | 0.346 |
Oxygenation index | 239.17 ± 17.83 | 239 ± 22.71 | 0.054 | 0.957 |
APACHEII score | 37.67 ± 4.09 | 39.55 ± 5.17 | -2.545 | 0.012 |
SOFA score | 8.51 ± 2.91 | 9.66 ± 2.31 | -2.575 | 0.011 |
Comparison of neutrophil count, lymphocyte count and neutrophil to lymphocyte ratio (NLR) in the two groups
Groups | n | Neutrophil count (109/L) | Lymphocyte count (109/L) | NLR |
---|---|---|---|---|
Survival group | 104 | 9.09 ± 2.11 | 3.23 ± 0.86 | 3.01 ± 1.00 |
Death group | 58 | 10.15 ± 2.04 | 2.90 ± 0.63 | 3.68 ± 1.16 |
t | -3.107 | 2.563 | -3.893 | |
p-value | 0.002 | 0.011 | < 0.001 |
Predictive value of NLR for 90-day prognosis in elderly patients with sepsis combined with diabetes mellitus
AUC | 95%CI | p-value | Sensitivity (%) | Specificity (%) | Positive predictive value (%) | Negative predictive value (%) | Cutoff value | |
---|---|---|---|---|---|---|---|---|
NLR | 0.669 | 0.583–0.754 | < 0.001 | 50.0 | 75.0 | 52.7 | 72.9 | 3.482 |
Differences in basic vital signs between the high NLR and low NLR groups
Variables | Groups | Day 1 | Day 3 | Day 5 | Day 7 |
---|---|---|---|---|---|
Respiratory rate (breath/min) | Low NLR group (n = 107) | 25.86 ± 2.12 | 25.23 ± 1.99* | 23.21 ± 1.97** | 20.13 ± 2.04** |
High NLR group (n = 55) | 25.71 ± 1.90 | 27.18 ± 1.96** | 28.85 ± 1.85** | 31.24 ± 2.04** | |
t | 0.444 | -5.921 | -17.628 | -32.805 | |
p-value | 0.658 | < 0.001 | < 0.001 | < 0.001 | |
MAP (mmHg) | Low NLR group (n = 107) | 70.08 ± 4.80 | 73.67 ± 5.05** | 75.06 ± 5.29** | 77.81 ± 4.89** |
High NLR group (n = 55) | 69.42 ± 5.66 | 69.51 ± 5.01 | 68.53 ± 5.35 | 67.25 ± 4.87 | |
t | 0.787 | 4.982 | 7.406 | 13.040 | |
p-value | 0.433 | < 0.001 | < 0.001 | < 0.001 | |
Heart rate (beat/min) | Low NLR group (n = 107) | 94.90 ± 3.45 | 92.11 ± 3.43** | 85.90 ± 3.62** | 81.37 ± 3.51** |
High NLR group (n = 55) | 94.18 ± 2.89 | 95.58 ± 3.15* | 97.71 ± 3.14** | 102.96 ± 3.10** | |
t | 1.318 | -6.256 | -20.556 | -38.509 | |
p-value | 0.189 | < 0.001 | < 0.001 | < 0.001 |
Kaplan-Meier curves of patients in the high NLR and low NLR groups
Groups | Total | Event count | OS | 95%CI | Logrank X2 | p-value |
---|---|---|---|---|---|---|
Low NLR group | 107 | 29 | 77.5 | 73.341–81.680 | 8.635 | 0.003 |
High NLR group | 55 | 29 | 69.5 | 63.962–75.038 |
Risk factors for the 90-day death in elderly patients with severe sepsis in combination with diabetes mellitus
Single-factor | Multi-factor | |||
---|---|---|---|---|
HR(95%CI) | p-value | HR(95%CI) | p-value | |
Age | 1.034(0.969–1.103) | 0.313 | ||
Gender | 1.039(0.616–1.752) | 0.887 | ||
ICU stay | 1.045(0.960–1.139) | 0.307 | ||
Hospital saty | 2.157(1.246–3.733) | 0.006 | 1.899 (1.08–3.34) | 0.026 |
Hypertension | 1.224(0.723–2.072) | 0.452 | ||
Hyperlipidemia | 1.632(0.975–2.731) | 0.062 | ||
Mechanical ventilation | 0.878(0.664–1.162) | 0.363 | ||
Oxygenation index | 0.997(0.984–1.011) | 0.698 | ||
APACHEII score | 1.067(1.006–1.131) | 0.030 | 1.052(0.991–1.117) | 0.098 |
SOFA score | 1.143(1.040–1.255) | 0.005 | 1.083(0.980–1.197) | 0.118 |
NLR grouping | 2.124(1.267–3.560) | 0.004 | 2.001(1.183–3.384) | 0.010 |