Table 3 The AUC analysis for the ability to predict in-hospital mortality
AUC (95%CI) | Sensitivity % (95% CI) | Specificity % (95% CI) | PPV % (95% CI) | NPV % (95% CI) | Cut-off value | |
|---|---|---|---|---|---|---|
Canthal-toe temperature gradient (°C) | ||||||
0 | 0.51 (0.37–0.64) | 70 (54–83) | 13 (2–41) | 68 (52–82) | 14 (2–43) | ≤ 14.8 |
6 h | 0.62 (0.48–0.75) | 85 (70–94) | 47 (21–73) | 81 (65–91) | 54 (25–81) | > 10.8 |
12 h | 0.66 (0.52–0.78) | 93 (80–98) | 40 (16–68) | 80 (66–91) | 67 (30–93) | > 6.2 |
Room-toe temperature gradient (°C) | ||||||
0 | 0.58 (0.44–0.71) | 69 (52–83) | 53 (27–79) | 79 (62–91) | 40 (19–64) | > 0.5 |
6 h | 0.57 (0.43–0.71) | 67 (50–81) | 60 (32–84) | 81 (64–93) | 41 (21–64) | >-0.6 |
12 h | 0.62 (0.48–0.75) | 97 (87–100) | 33 (12–62) | 79 (65–90) | 83 (36–100) | >-10 |
Toe temperature (°C) | ||||||
0 | 0.51(0.37–0.65) | 60 (43–75) | 60 (32–84) | 80 (61–92) | 36 (18–58) | < 20.8 |
6 h | 0.66(0.52–0.78) | 85 (70–94) | 53 (27–79) | 83 (68–93) | 57 (29–82) | ≤ 23.3 |
12 h | 0.72(0.58–0.84) * | 92 (79–98) | 47 (21–73) | 82 (67–92) | 70 (35–93) | ≤ 25.5 |
Serum lactate (mmol/L) | ||||||
0 | 0.72(0.58–0.83) * | 80 (64–91) | 60 (32–84) | 84 (69–94) | 53 (28–77) | > 2.5 |
6 h | 0.78(0.65–0.88) * | 55 (39–70) | 100 (78–100) | 100 (85–100) | 46 (28–64) | > 4.3 |
12 h | 0.81(0.68–0.91) * | 72 (55–85) | 87 (60–98) | 93 (78–99) | 54 (33–74) | > 2.5 |
CRT (s) | ||||||
0 | 0.74(0.60–0.85) * | 70 (54–83) | 80 (52–96) | 90 (74–98) | 50 (29–71) | > 3 |
6 h | 0.79(0.65–0.88) * | 70 (54–83) | 87 (60–98) | 93 (78–99) | 52 (31–72) | > 3 |
12 h | 0.81(0.68–0.91)* | 49 (32–65) | 100 (78–100) | 100 (82–100) | 43 (26–61) | > 4.2 |
Clinical severity scores | ||||||
APACHE II score | 0.75(0.61–0.86)* | 62 (45–77) | 77 (46–95) | 89 (71–98) | 40 (21–61) | > 18 |
SOFA score | 0.77(0.64–0.88)* | 46 (30–63) | 92 (64–100) | 945 (74–100) | 36 (20–55) | > 8 |