Table 8.

Sensitivity and specificity of the final tool according to month

Month	Sensitivity (95% CI)	Specificity (95% CI)
1	0.63 (0.36–0.84)	0.90 (0.79–0.95)
2	0.22 (0.04–0.60)	0.81 (0.70–0.89)
3	0.46 (0.18–0.76)	0.92 (0.82–0.97)
4	0.44 (0.21–0.70)	0.87 (0.76 −0.93)
5	0.46 (0.20–0.74)	0.90 (0.80–0.96)
6	0.47 (0.22–0.73)	0.86 (0.74–0.92)
7	0.30 (0.13–0.54)	0.88 (0.73–0.94)
8	0.62 (0.39–0.81)	0.75 (0.62–0.84)
9	0.28 (0.11–0.54)	0.86 (0.75–0.93)
10	0.21 (0.07–0.46)	0.88 (0.77–0.92)
11	0.25 (0.07–0.57)	0.81 (0.69–0.89)
12	0.47 (0.25–0.70)	0.85 (0.73–0.91)