Table 2:
Time-specific vital signs and laboratory values during first 24 hours following initiation of transfusion for trauma patients undergoing UMT stratified by mortality
| Model | Overall | Overall Survival | 48-hour Survival | |||||
|---|---|---|---|---|---|---|---|---|
| Time Interval |
Variable | Deceased | Survivors | p-value | Deceased | Survivor | p-value | |
| 0-2 hours | n = 180 | n = 94 | n = 86 | n = 72 | n = 107 | |||
| Heart Rate | 120 [98, 137] | 119 [89, 137] | 123 [104, 136] | 0.177 | 114 [86, 134] | 125 [106, 138] | 0.018* | |
| SBP | 94 [84, 109] | 96 [82, 108] | 93 [84, 110] | 0.964 | 96 [85, 112] | 93 [84, 107] | 0.455 | |
| Lactate | 10.8 [7.5, 14.5] | 13.7 [8.2, 15.7] | 10.2 [5.2, 12.4] | 0.126 | 14 [13.3, 15.7] | 10 [6.8, 12.7] | 0.461 | |
| Base Deficit | −16.8 [−21.5, −11.4] | −20 [−25.0, −13.0] | −16 [−19.0, −10.8] | 0.215 | −20 [−25, −13] | −16 [−19, −10.8] | 0.215 | |
| pH | 7.0 [6.9, 7.2] | 6.9 [6.8, 7.1] | 7.1 [7.0, 7.2] | 0.077 | 6.9 [6.8, 7.1] | 7.1 [7, 7.2] | 0.077 | |
| Hemoglobin | 12 [10.7, 13.2] | 11.7 [10.4, 12.6] | 12.1 [11.1, 13.5] | 0.208 | 11.6, [10.1, 12.4] | 12.2 [11.1, 13.3] | 0.027* | |
| Platelets | 206 [151, 239] | 187 [134, 245] | 206 [173, 227] | 0.810 | 151 [120, 209] | 217 [175, 247] | 0.001* | |
| 2-4 hours | n = 180 | n = 92 | n = 86 | n = 71 | n = 106 | |||
| Heart Rate | 105 [96, 127] | 113 [103, 128] | 104 [83,127] | 0.143 | 113 [104, 128] | 103 [84, 127] | 0.284 | |
| SBP | 111 [104, 121] | 108 [98, 116] | 115 [110, 121] | 0.243 | 113 [104, 120] | 111 [105, 121] | 0.677 | |
| Lactate | 10 [7.2, 16.2] | 12.6 [9.5, 25.0] | 7.5 [5.3, 10.0] | 0.063 | 18.8 [12.5, 25] | 9.8 [6.5, 14.4] | 0.415 | |
| Base Deficit | −11.8 [−17.0, −5.0] | −14.3 [−17.0, −8.4] | −7.0 [−14.0, −3.0] | 0.033* | −15.5 [−18.2, −10.2] | −8 [−13.5, −4.0] | 0.006* | |
| pH | 7.2 [7.0, 7.3] | 7.1 [7.0, 7.2] | 7.2 [7.2, 7.3] | 0.012* | 7.1 [7.0, 7.1] | 7.2 [7.2, 7.3] | 0.004* | |
| Hemoglobin | 10.7 [9.7, 12.6] | 10.5 [9.6, 12.2] | 11.1 [10.2, 13.1] | 0.941 | 10.4 [8.7, 12.2] | 10.9 [10.3, 12.6 | 0.848 | |
| Platelets | 149 [82, 251] | 86 [59, 148] | 199 [141, 312] | 0.003* | 78 [59, 117] | 179 [137, 280] | 0.013* | |
| 4-8 hours | n = 180 | n = 83 | n = 86 | n = 62 | n = 107 | |||
| Heart Rate | 113 [91, 129] | 117 [96, 130] | 110 [85, 127] | 0.038* | 117 [101, 130] | 111 [87, 128] | 0.032* | |
| SBP | 117 [102, 136] | 107 [93, 127] | 126 [110, 141] | < 0.001* | 102 [91, 117] | 127 [109, 140] | < 0.001* | |
| Lactate | 8.0 [5.0, 15.1] | 14.6 [8.5, 16.5] | 5.2 [3.8, 7.7] | < 0.001* | 15.2 [9.4, 17.1] | 5.4 [4, 10] | < 0.001* | |
| Base Deficit | −7.2 [−11.4, −1.8] | −9.8 [−15, −5.8] | −3 [−8.4, 0.6] | < 0.001* | −13 [--16.8, −8.3] | −3.5 [−8.5, −0.6] | < 0.001* | |
| pH | 7.2 [7.1, 7.4] | 7.2 [7.0, 7.2] | 7.2 [7.1, 7.4] | < 0.001* | 7.1 [7.0, 7.2] | 7.3 [7.2, 7.4] | < 0.001* | |
| Hemoglobin | 10.6 [9.5, 12.2] | 9.7 [8.6, 10.9] | 11.7 [10.2, 13.1] | 0.011* | 9.5 [8.2, 10.5] | 11.6 [10.2, 12.9] | 0.032* | |
| Platelets | 65 [42, 86] | 59 [36, 80] | 73 [50, 88] | 0.073 | 62 [34, 77] | 67 [48, 88] | 0.076* | |
| 8-12 hours | n = 180 | n = 56 | n = 86 | n = 35 | n = 107 | |||
| Heart Rate | 111[99, 126] | 118 [100,131] | 110 [99, 121] | 0.099 | 123 [112, 132] | 109 [97, 122] | 0.080* | |
| SBP | 117 [102, 131] | 106 [98, 126] | 121 [107, 132] | 0.009 | 102 [85, 117] | 121 [105, 133] | 0.001* | |
| Lactate | 7.2 [4.0, 12.1] | 12.2 [9.1, 14.7] | 5.1 [3.2, 8.1] | < 0.001* | 13.2 [9.8, 16.9] | 5.6 [3.4, 9.4] | < 0.001* | |
| Base Deficit | −3.8 [−8.9, −0.6] | −9.4 [−14, −3.7] | −1.9 [−4.9, −1.2] | < 0.001* | −11.2 [−15, −6] | −2.2 [−4.9, −0.1] | < 0.001* | |
| pH | 7.3 [7.2, 7.4] | 7.1 [7.1, 7.3] | 7.3 [7.3, 7.4] | < 0.001* | 7.1 [7.1, 7.3] | 7.3 [7.3, 7.4] | < 0.001* | |
| Hemoglobin | 10.9 [8.9, 12.4] | 10.1 [8.2, 11.5] | 11.1 [10, 12.8] | 0.013* | 9.3 [8.2, 11.2] | 11.1 [9.7, 12.8] | 0.007* | |
| Platelets | 61 [42, 79] | 53 [30, 71] | 66 [51, 81] | 0.027* | 42 [27, 59] | 67 [51, 83] | < 0.001* | |
| 12-16 hours | n = 180 | n = 41 | n = 86 | n = 20 | n = 107 | |||
| Heart Rate | 112 [98, 125] | 118 [108, 127] | 109 [95, 122] | 0.016* | 119 [106, 127] | 111 [97, 124] | 0.406 | |
| SBP | 117 [102, 130] | 108 [99, 122] | 119 [106, 130] | 0.047* | 105 [99, 119] | 117 [104, 130] | 0.182 | |
| Lactate | 4.9 [3.2, 8.2] | 9.9 [7.6, 13.4] | 3.6 [2.9, 5.8] | < 0.001* | 13.3 [10.6, 18.2] | 3.8 [3.0, 6.9] | < 0.001* | |
| Base Deficit | −1.4 [−5.4, 1.6] | −5.3 [−8.2, −1.6] | 0 [−3.0, 2.0] | 0.139 | −7.2 [−13.0, −5.0] | −0.8 [−3.0, 1.7] | 0.351 | |
| pH | 7.4 [7.3, 7.4] | 7.3 [7.1, 7.4] | 7.4 [7.3, 7.4] | 0.019* | 7.2 [7.1, 7.4] | 7.4 [7.3, 7.4] | 0.086 | |
| Hemoglobin | 11.3 [9.9, 12.9] | 10.3 [9, 11.8] | 11.5 [10.3, 13.2] | 0.007* | 9.1 [7.9, 11.6] | 11.4 [10.1, 12.9] | 0.002* | |
| Platelets | 66 [50, 86] | 51 [35, 66] | 71 [56, 96] | 0.009* | 51 [39, 55] | 68 [55, 93] | 0.001* | |
| 16-20 hours | n = 180 | n = 34 | n = 86 | n = 13 | n = 106 | |||
| Heart Rate | 112 [97, 123] | 114 [104, 132] | 109 [91, 121] | 0.023* | 116 [107, 130] | 111 [95, 122] | 0.167 | |
| SBP | 113 [105, 126] | 116 [106, 130] | 113 [105, 125] | 0.718 | 115 [99, 120] | 113 [106, 127] | 0.351 | |
| Lactate | 5.8 [3, 8.5] | 8.3 [7.1, 12.8] | 3.5 [2.6, 6] | < 0.001* | 13.1 [8.1, 15.9] | 5.3 [2.8, 7.7] | 0.003* | |
| Base Deficit | −0.4 [−5.5, 1.4] | −5.1 [−8, −1.5] | 0.5 [−3.2, 2.2] | < 0.001* | −6.4 [−11.4, −0.3] | −0.1 [−4.2, 1.6] | 0.018* | |
| pH | 7.4 [7.3, 7.4] | 7.3 [7.2, 7.4] | 7.4 [7.3, 7.4] | < 0.001* | 7.3 [7.1, 7.4] | 7.4 [7.3, 7.4] | 0.064 | |
| Hemoglobin | 10.9 [9.9, 12.6] | 10.2 [8.7, 11.8] | 11.1 [10.2, 12.7] | 0.011* | 9.9 [9.2, 11.5] | 11.0 [10.1, 12.6] | 0.078 | |
| Platelets | 69 [45, 92] | 44 [37, 83] | 76 [59, 96] | 0.047* | 43 [40, 45] | 72 [57, 98] | 0.001* | |
| 20-24 hours | n = 180 | n = 31 | n = 86 | n = 10 | n = 107 | |||
| Heart Rate | 110 [94, 120] | 108 [99, 129] | 113 [91, 119] | 0.008* | 117 [108, 135] | 109 [92, 120] | 0.046* | |
| SBP | 112 [105, 127] | 108 [99, 129] | 113 [107, 127] | 0.630 | 103 [99, 129] | 113 [106, 127] | 0.244 | |
| Lactate | 4.4 [3.3, 7.2] | 7.6 [5.4, 10.1] | 4 [3, 4.8] | 0.001* | 12.6 [8.2, 17.2] | 4.3 [3.2, 6.5] | 0.067 | |
| Base Deficit | −0.7 [−5, 1.8] | −5 [−8.8, −0.3] | 0.0 [−2.9, 2.4] | 0.001* | −8.8 [−11.0, −6.1] | −0.6 [−2.9, 2.0] | 0.001* | |
| pH | 7.4 [7.3, 7.4] | 7.3 [7.2, 7.4] | 7.4 [7.4, 7.4] | 0.019* | 7.2 [7.2, 7.3] | 7.4 [7.3, 7.4] | 0.014* | |
| Hemoglobin | 11.1 [9.6, 12.8] | 10.4 [9.5, 12.1] | 11.6 [10.1, 12.8] | 0.443 | 10.0 [7.5, 10.8] | 11.6 [9.8, 12.8] | 0.037* | |
| Platelets | 65 [52, 90] | 46 [37, 67] | 68 [58, 94] | < 0.001* | 32 [22, 45] | 67 [56, 91] | < 0.001* | |
Systolic blood pressure (SBP), not applicable (n/a). Continuous variables reported as median with [Q1, Q3]