Table 2

Predictive values of dysuria, frequency, urge and abdominal pain for adult (15 years or older) women presenting to general practice with suspected urinary tract infection

SENSPEpLRnLR
Dysuria15–290.82 (0.73–0.89)0.49 (0.41–0.58)1.62 (1.30–1.94)0.36 (0.19–0.54)
30–440.72 (0.60–0.82)0.58 (0.50–0.66)1.74 (1.30–2.17)0.48 (0.27–0.68)
45–590.66 (0.56–0.75)0.39 (0.29–0.50)1.08 (0.84–1.32)0.87 (0.54–1.12)
60–740.59 (0.49–0.67)0.51 (0.42–0.61)1.20 (0.90–1.50)0.81 (0.57–1.04)
75–890.57 (0.49–0.65)0.63 (0.50–0.74)1.54 (0.99–2.09)0.68 (0.49–0.87)
90+0.63 (0.42–0.81)0.74 (0.49–0.91)2.39 (0.35–4.44)0.50 (0.20–0.80)
All0.65 (0.61–0.69)0.53 (0.49–0.57)1.39 (1.24–1.54)0.65 (0.56–0.75)
Frequency15–290.54 (0.43–0.64)0.51 (0.43–0.60)1.10 (0.81–1.39)0.90 (0.65–1.16)
30–440.66 (0.54–0.77)0.64 (0.56–0.72)1.85 (1.32–2.37)0.53 (0.33–0.72)
45–590.66 (0.56–0.75)0.50 (0.39–0.61)1.32 (0.97–1.66)0.68 (0.45–0.92)
60–740.62 (0.53–0.70)0.54 (0.44–0.63)1.34 (1.00–1.68)0.71 (0.00–0.92)
75–890.59 (0.50–0.67)0.51 (0.39–0.64)1.21 (0.85–1.56)0.80 (0.55–1.06)
90+0.44 (0.25–0.65)0.74 (0.49–0.91)1.69 (0.14–3.23)0.75 (0.41–1.10)
All0.60 (0.56–0.64)0.56 (0.52–0.60)1.36 (1.20–1.52)0.72 (0.62–0.81)
Urge15–290.22 (0.14–0.32)0.85 (0.78–0.90)1.44 (0.63–2.26)0.92 (0.80–1.04)
30–440.25 (0.15–0.37)0.84 (0.77–0.89)1.53 (0.65–2.41)0.90 (0.75–1.04)
45–590.29 (0.21–0.38)0.79 (0.70–0.87)1.40 (0.66–2.13)0.90 (0.75–1.05)
60–740.29 (0.21–0.38)0.82 (0.73–0.88)1.58 (0.80–2.37)0.87 (0.74–1.00)
75–890.21 (0.15–0.29)0.81 (0.70–0.90)1.15 (0.44–1.86)0.97 (0.82–1.11)
90+0.15 (0.04–0.34)0.89 (0.67–0.99)1.41 (-0.97–3.79)0.95 (0.73–1.17)
All0.25 (0.21–0.29)0.83 (0.80–0.86)1.44 (1.09–1.78)0.91 (0.85–0.97)
Abdominal pain15–290.19 (0.12–0.28)0.79 (0.71–0.85)0.89 (0.40–1.38)1.03 (0.89–1.17)
30–440.21 (0.12–0.32)0.69 (0.61–0.76)0.67 (0.30–1.04)1.15 (0.95–1.34)
45–590.16 (0.10–0.24)0.71 (0.60–0.80)0.55 (0.24–0.86)1.19 (0.99–1.38)
60–740.18 (0.12–0.26)0.76 (0.67–0.83)0.73 (0.35–1.12)1.09 (0.93–1.24)
75–890.09 (0.05–0.15)0.84 (0.74–0.92)0.57 (0.12–1.02)1.08 (0.95–1.21)
90+0.11 (0.02–0.29)0.89 (0.67–0.99)1.06 (-0.84–−2.95)0.99 (0.78–1.21)
All0.15 (0.13–0.19)0.75 (0.72–0.79)0.63 (0.47–0.79)1.12 (1.05–1.19)
  • nLR, negative likelihood ratio; pLR, positive likelihood ratio; SEN, sensitivity; SPE, specificity.