Table 2 Distribution of non-small cell lung cancer patients by smoking status
Country | Author | Never-smokers, NO. (%) | Ever-smokers, No.(%) |
|---|---|---|---|
Overall | 383 (41.1%) | 550 (58.9%) | |
Lebanon | Naderi et al. [9] | 44 (21.9%) | 157 (78.1%) |
Fakhruddin et al. [10] | 59 (76.6%) | 18 (23.4%) | |
Kattan et al. [11] | 39 (22.9%) | 131 (77.1%) | |
Egypt | Zaki et al. [12] | No data | No data |
Turkey | Unal et al. [13] | 5 (10.4%) | 43 (89.6%) |
Bircan et al. [14] | 6 (26.1%) | 17 (73.9%) | |
Saudi Arabia (SA) | Al-Kuraya et al. [15] | 38 (80.9%) | 9 (19.1%) |
SA-UAE-Qatar | Jazieh et al. [16] | 134 (58.3%) | 96 (41.7%) |
SA-UAE-Egypt | Jazieh et al. [17] | No data | No data |
Morocco | Errihani et al. [18] | 58 (42.3%) | 79 (57.7%) |