Table 2.

Baseline histology

ObservationTreatedDifference (treated − observed)
Difference95% CIP
All subjects
    Maximum3.63 (1.80)4.19 (1.58)0.56(−0.28 to 1.39)0.18
    Average2.33 (1.15)2.53 (1.10)0.19(−0.35 to 0.74)0.48
    Dysplasia index0.24 (0.26)0.28 (0.27)0.04(−0.09 to 0.16)0.57
Current smokers
    Maximum4.58 (1.31)4.81 (0-81)0.23(−0.66 to 1.11)0.60
    Average3.12 (0.94)3.17 (0.93)0.05(−0.65 to 0.75)0.89
    Dysplasia index0.39 (0.25)0.40 (0.28)0.01(−0.18 to 0.21)0.88
Former smokers
    Maximum2.87 (1.81)3.70 (1.86)0.84(−0.36 to 2.04)0.16
    Average1.70 (0.89)2.03 (0.97)0.33(−0.27 to 0.93)0.28
    Dysplasia index0.12 (0.20)0.18 (0.22)0.06(−0.08 to 0.20)0.41

NOTE: Values are mean (SD).

Abbreviation: 95% CI, 95% confidence interval.