28-day survival group | Non-28-day survival group | P-value | 90-day survival group | Non-90-day survival group | P-value | |
---|---|---|---|---|---|---|
Data from the General Hospital of Tianjin Medical University | n = 258 | n = 87 | n = 250 | n = 95 | ||
SpO2/FiO2 (median [IQR]) | 173.16 [145.13, 194.00] | 144.26 [93.00, 172.73] | < 0.001 | 174.55 [145.13, 194.00] | 146.67 [93.50, 172.73] | < 0.001 |
ROX | 6.70 [4.82, 8.50] | 5.00 [3.45, 7.25] | < 0.001 | 6.70 [4.90, 8.50] | 4.90 [3.45, 7.35] | < 0.001 |
Berlin criteria ARDS | 164 (63.6) | 79 (90.8) | < 0.001 | 156 (62.4) | 87 (91.6) | < 0.001 |
The severity of ARDS | < 0.001 | < 0.001 | ||||
Mild | 125 (48.4) | 18 (20.7) | 123 (49.2) | 20 (21.1) | ||
Moderate | 98 (38.0) | 41 (47.1) | 95 (38.0) | 44 (46.3) | ||
Severe | 35 (13.6) | 28 (32.2) | 32 (12.8) | 31 (32.6) | ||
APACHE II (median [IQR]) | 16.00 [13.00, 20.00] | 23.00 [18.00, 28.00] | < 0.001 | 18.00 [13.00, 22.00] | 21.00 [16.00, 25.00] | 0.001 |
SOFA (median [IQR]) | 6.00 [4.00, 9.00] | 12.00 [8.00, 16.00] | < 0.001 | 6.00 [4.00, 8.75] | 12.00 [8.00, 16.00] | < 0.001 |
Data from the EICU database | n = 2168 | n = 516 | n = 2149 | n = 535 | ||
SpO2/FiO2 (median [IQR]) | 182.00 [140.00, 230.00] | 153.33 [100.00, 190.00] | < 0.001 | 182.00 [140.00, 230.00] | 153.33 [100.00, 190.00] | < 0.001 |
ROX | 9.65 [7.10, 12.30] | 8.00 [6.30, 11.00] | < 0.001 | 9.70 [7.10, 12.30] | 8.00 [6.30, 11.00] | < 0.001 |
Berlin criteria ARDS | 2131 (98.3) | 507 (98.3) | 1000 | 2112 (98.3) | 526 (98.3) | 1.000 |
The severity of ARDS (n (%)) | < 0.001 | < 0.001 | ||||
Mild | 865 (39.9) | 146 (28.3) | 862 (40.1) | 149 (27.9) | ||
Moderate | 1075 (49.6) | 247 (47.9) | 1063 (49.5) | 259 (48.4) | ||
Severe | 228 (10.5) | 123 (23.8) | 224 (10.4) | 127 (23.7) | ||
SAPS II (median [IQR]) | 54.00 [33.00, 72.00] | 48.00 [30.00, 73.00] | 0.009 | 54.00 [33.00, 71.00] | 49.00 [30.00, 73.00] | 0.017 |
SOFA (median [IQR]) | 7.00 [5.00, 9.00] | 11.00 [8.00, 14.00] | < 0.001 | 7.00 [5.00, 9.00] | 11.00 [8.00, 14.00] | < 0.001 |
Data from the MIMIC IV database | n = 1648 | n = 161 | n = 1646 | n = 163 | ||
SpO2/FiO2 (median [IQR]) | 168.00 [117.00, 222.50] | 136.67 [97.00, 186.00] | < 0.001 | 168.00 [117.00, 222.50] | 136.00 [97.67, 183.00] | < 0.001 |
ROX | 6.45 [4.62, 8.54] | 4.92 [3.18, 7.25] | < 0.001 | 6.46 [4.63, 8.54] | 4.88 [3.18, 7.10] | < 0.001 |
Berlin criteria ARDS | 1279 (77.6) | 119 (73.9) | 0.332 | 1278 (77.6) | 120 (73.6) | 0.284 |
The severity of ARDS (n (%)) | < 0.001 | < 0.001 | ||||
Mild | 528 (32.0) | 30 (18.6) | 528 (32.1) | 30 (18.4) | ||
Moderate | 990 (60.1) | 87 (54.0) | 989 (60.1) | 88 (54.0) | ||
Severe | 130 (7.9) | 44 (27.3) | 129 (7.8) | 5 (27.6) | ||
SAPS II (median [IQR]) | 31.00 [25.00, 39.00] | 47.00 [37.00, 60.00] | < 0.001 | 31.00 [25.00, 39.00] | 47.00 [37.00, 59.50] | < 0.001 |
SOFA (median [IQR]) | 4.00 [3.00, 6.00] | 8.00 [5.00, 12.00] | < 0.001 | 4.00 [3.00, 6.00] | 8.00 [5.00, 12.00] | < 0.001 |