Table 4.
Dichotomous Test Variables | Sensitivity (95% CI) | Specificity (95% CI) | LR+* (95% CI) | LR- (95% CI) | AUC (95% CI) |
---|---|---|---|---|---|
NQ | 0.87 (0.77–0.94) | 0.89 (0.79–0.95) | 7.73 (4.0–14.9) | 0.15 (0.08–0.27) | 0.88 (0.83–0.93) |
BIS, resistance ratio of unaffected limb/affected limb | |||||
Cutoff at published values† | 0.37 (0.26–0.50) | 0.99 (0.92–1.00) | 26.4 (3.68–189) | 0.64 (0.53–0.77) | 0.68 (0.62–0.74) |
Cutoff at 1 SD‡ | 0.87 (0.77–0.94) | 0.47 (0.35–0.56) | 1.63 (1.29–2.06) | 0.28 (0.14–0.54) | 0.67 (0.60–0.74) |
Cutoff at 2 SD‡ | 0.51 (0.39–0.64) | 0.99 (0.92–1.00) | 36.5 (5.15–259) | 0.49 (0.39–0.63) | 0.75 (0.69–0.81) |
Cutoff at 3 SD‡ | 0.31 (0.21–0.44) | 1.00 (0.95–1.00) | 310* | 0.69 (0.59–0.80) | 0.66 (0.60–0.71) |
Volume ratio of affected/unaffected | |||||
Cutoff at 1 SD‡ | 0.87 (0.77–0.94) | 0.54(0.41–0.66) | 1.87 (1.44–2.44) | 0.24 (0.13–0.46) | 0.70 (0.63–0.77) |
Cutoff at 2 SD‡ | 0.51 (0.39–0.64) | 0.97 (0.90–1.00) | 18.3 (4.57–72.9) | 0.50 (0.39–0.64) | 0.74 (0.68–0.81) |
Cutoff at 3 SD‡ | 0.34 (0.23–0.47) | 1.00 (0.95–1.00) | 340* | 0.66 (0.56–0.78) | 0.67 (0.62–0.73) |
Volume calculated from circumference Difference = affected - unaffected | |||||
–Volume difference ≥200 mL | 0.39 (0.27–0.51) | 1.00 (0.95–1.00) | 390* | 0.61 (0.51–0.74) | 0.69 (0.64–0.75) |
Circumference difference = affected - unaffected | |||||
At 0cm; ≥2cm cutoff | 0.07 (0.03–0.16) | 1.00 (0.95–1.00) | 70* | 0.93 (0.87–0.99) | 0.54 (0.51–0.57) |
At 10cm; ≥2cm cutoff | 0.29 (0.18–0.41) | 1.00 (0.95–1.00) | 290* | 0.71 (0.62–0.83) | 0.64 (0.55–0.74) |
At 20cm; ≥2cm cutoff | 0.29 (0.18–0.41) | 1.00 0.95–1.00) | 290* | 0.71 (0.62–0.83) | 0.64 (0.59–0.70) |
At 30cm; ≥2cm cutoff | 0.36 (0.25–0.48) | 0.94 (0.86–0.98) | 6.34 (2.33–17.3) | 0.68 (0.57–0.82) | 0.65 (0.59–0.71) |
At 40cm; ≥2cm cutoff | 0.14 (0.07–0.25) | 0.99 (0.92–1.00) | 10.1 (1.33–77.1) | 0.87 (0.79–0.96) | 0.56 (0.52–0.61) |
.999 was used for calculations of LR+ when specificity = 1.0.
1.139 for dominant = affected arm; 1.066 for dominant = unaffected arm.
Above mean of nonlymphedema group.