Table 3 Crude and adjusted odds or hazard ratio for hospital mortality (logistic regression and Cox-proportional hazards) in patients with different platelet count categories
Categories | Logistic Regression Analysis | Cox Proportional Hazards Model | ||
|---|---|---|---|---|
OR (95% CI) | P value | HR (95% CI) | P value | |
Platelet count at admission | ||||
Crude | ||||
NTP at admission | 1 [Reference] | 1 [Reference] | ||
TP at admission | 1.45 (1.2–1.75) | 0.002 | 1.32 (1.11–1.57) | 0.002 |
Model 1 | ||||
NTP at admission | 1 [Reference] | 1 [Reference] | ||
TP at admission | 1.02 (0.83–1.26) | 0.819 | 1.03 (0.86–1.24) | 0.715 |
Model 2 | ||||
NTP at admission | 1 [Reference] | 1 [Reference] | ||
TP at admission | 1.14 (0.92–1.41) | 0.237 | 1.15 (0.95–1.38) | 0.143 |
Platelet course during NICU stay | ||||
Crude | ||||
Group 4 (NTP-NTP) | 1 [Reference] | 1 [Reference] | ||
Group 1 (TP-TP) | 2.63 (2.1–3.27) | < 0.001 | 1.27 (1.11–1.44) | < 0.001 |
Group 2 (TP-NTP) | 0.98 (0.78–1.25) | 0.897 | 1.03 (0.89–1.19) | 0.711 |
Group 3 (NTP-TP) | 2.79 (2.27–3.42) | < 0.001 | 1.32 (1.15–1.53) | < 0.001 |
Model 1 | ||||
Group 4 (NTP-NTP) | 1 [Reference] | 1 [Reference] | ||
Group 1 (TP-TP) | 1.73 (1.35–2.21) | < 0.001 | 1.97 (1.59–1.44) | < 0.001 |
Group 2 (TP-NTP) | 0.63 (0.44–0.89) | 0.011 | 0.47 (0.34–0.66) | < 0.001 |
Group 3 (NTP-TP) | 1.82 (1.45–2.27) | < 0.001 | 1.22 (1.00–1.48) | 0.052 |
Model 2 | ||||
Group 4 (NTP-NTP) | 1 [Reference] | 1 [Reference] | ||
Group 1 (TP-TP) | 2.05 (1.57–2.66) | < 0.001 | 2.37 (1.89–2.98) | < 0.001 |
Group 2 (TP-NTP) | 0.65 (0.48–0.93) | 0.021 | 0.49 (0.35–0.68) | < 0.001 |
Group 3 (NTP-TP) | 1.65 (1.30–2.09) | < 0.001 | 1.08 (0.88–1.33) | 0.438 |