Table 1 Summary of Patient Numbers in the Study Population and Reasons for Exclusion (Study Attrition)

Adults who received 1 L treatment for NSCLC

1257

–

Excluded patients

254

100

 NSCLC not advanced or metastatic at diagnosis

151

59.4

 Treatment started outside of study period

47

18.5

 ECOG PS score missing

15

5.9

 Randomized trial participant

9

3.5

 Response data missing

8

3.1

 Never received treatment

7

2.8

 Duplicate patient

5

2.0

 Age missing

4

1.6

 Sex missing

3

1.2

 Not NSCLC

2

0.8

 Date of death or last hospital follow-up missing

1

0.4

 Histological diagnosis missing

1

0.4

 Diagnosis date unknown

1

0.4

Met inclusion criteria

1003

–