Table 3

Probability of malignancy (p value)3-150

CigarettesOther cancerSpiculationUpper lobep value
35 years55 years75 years
10 mm20 mm30 mm10 mm20 mm30 mm10 mm20 mm30 mm
00000.020.050.160.030.110.300.070.210.48
00010.030.110.300.070.210.480.140.360.67
00100.040.130.360.090.250.550.170.420.73
00110.090.250.550.170.430.730.310.620.85
01000.060.170.430.110.310.620.220.500.78
01010.110.310.620.220.500.780.380.690.89
01100.140.370.680.260.560.820.440.740.91
01110.270.560.820.440.740.910.630.860.96
10000.030.110.300.070.210.480.140.370.67
10010.070.210.490.140.370.670.260.560.82
10100.090.250.550.170.430.730.310.620.85
10110.170.430.730.310.620.850.500.780.93
11000.110.310.620.220.500.780.380.690.89
11010.220.500.780.380.690.890.570.830.95
11100.270.570.820.440.740.910.630.860.96
11110.440.740.910.640.860.960.790.930.98
  • 3-150 For categorical predictors (cigarettes, other cancer, spiculation, and upper lobe) 0 indicates absent, 1 indicates present.

  • For p values, 35, 55, and 75 years refer to the age of the patients, 10, 20, and 30 mm to the size of the solitary pulmonary nodule.

  • Reproduced from Swensen et al 1with permission.