Table A4. Findings in relation to variation in lung cancer diagnosis at stage I vs stages II–IV.
Complete case analysis
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Multiple imputation
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Missing stage=stage III/IV
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OR | 95% LCI | 95% UCI | OR | 95% LCI | 95% UCI | FMI | OR | 95% LCI | 95% UCI | |
Women | Ref. | – | – | Ref. | – | – | – | Ref. | – | – |
Men | 1.14 | 1.03 | 1.25 | 1.13 | 1.03 | 1.25 | 0.170 | 1.15 | 1.05 | 1.27 |
15–49 | 1.33 | 0.93 | 1.90 | 1.23 | 0.86 | 1.75 | 0.197 | 1.31 | ||
50–54 | 1.00 | 0.74 | 1.35 | 0.96 | 0.71 | 1.30 | 0.157 | 0.95 | 0.93 | 1.84 |
55–59 | 1.26 | 0.99 | 1.61 | 1.22 | 0.96 | 1.55 | 0.119 | 1.23 | 0.71 | 1.27 |
60–64 | 0.96 | 0.79 | 1.18 | 0.95 | 0.78 | 1.16 | 0.150 | 0.95 | 0.97 | 1.56 |
65–69 | Ref. | – | – | Ref. | – | – | – | – | 0.78 | 1.15 |
70–74 | 0.82 | 0.68 | 0.97 | 0.80 | 0.68 | 0.96 | 0.109 | 0.82 | 0.69 | 0.98 |
75–79 | 0.74 | 0.62 | 0.88 | 0.72 | 0.60 | 0.86 | 0.171 | 0.75 | 0.64 | 0.89 |
80–84 | 0.73 | 0.61 | 0.88 | 0.73 | 0.61 | 0.87 | 0.16 | 0.78 | 0.65 | 0.93 |
⩾85 | 0.66 | 0.54 | 0.81 | 0.68 | 0.55 | 0.83 | 0.23 | 0.76 | 0.62 | 0.92 |
Most affluent | Ref. | – | – | Ref. | – | – | – | Ref. | – | – |
2 | 0.94 | 0.81 | 1.09 | 0.97 | 0.84 | 1.12 | 0.138 | 0.95 | 0.82 | 1.10 |
3 | 0.97 | 0.83 | 1.12 | 1.01 | 0.87 | 1.17 | 0.184 | 0.97 | 0.84 | 1.12 |
4 | 0.98 | 0.84 | 1.14 | 1.04 | 0.89 | 1.21 | 0.209 | 0.99 | 0.86 | 1.15 |
Deprived | 0.81 | 0.66 | 0.99 | 0.91 | 0.75 | 1.10 | 0.186 | 0.82 | 0.67 | 0.99 |
Adenocarcinoma | Ref. | – | – | Ref. | – | – | – | Ref. | – | – |
Squamous cell carcinoma | 0.91 | 0.79 | 1.05 | 0.89 | 0.77 | 1.02 | 0.116 | 0.83 | 0.72 | 0.95 |
Other non-small cell types | 2.07 | 1.77 | 2.42 | 1.97 | 1.70 | 2.29 | 0.099 | 1.87 | 1.61 | 2.18 |
Small cell carcinoma | 4.06 | 3.23 | 5.12 | 3.90 | 3.10 | 4.92 | 0.207 | 3.94 | 3.14 | 4.94 |
Large cell carcinoma | 1.51 | 0.97 | 2.36 | 1.44 | 0.93 | 2.22 | 0.065 | 1.29 | 0.83 | 1.99 |
Carcinoid | 0.02 | 0.00 | 0.18 | 0.02 | 0.00 | 0.15 | 0.764 | 1.53 | 0.87 | 2.70 |
Specified other | 0.41 | 0.03 | 6.63 | 0.74 | 0.06 | 9.27 | 0.627 | 2.30 | 0.29 | 18.35 |
Unspecified other | 1.94 | 1.67 | 2.24 | 1.85 | 1.59 | 2.15 | 0.289 | 2.07 | 1.80 | 2.37 |
Abbreviations: OR=odds ratio; Ref=reference; LCI=lower confidence interval;
UCI=upper confidence interval; FMI=fraction of missing information (for each respective variable category, it denotes the proportion of the estimation that used imputed missing information).