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. 2014 Jan 20;17(1):8–14. [Article in Chinese] doi: 10.3779/j.issn.1009-3419.2014.01.02

3.

广泛期小细胞肺癌一线化疗OS和PFS的单因素分析

Univariate analysis of OS and PFS in extensive-stage SCLC patients who received first-line chemotherapy

Factor n OS (95%CI) χ2 P PFS (95%CI) χ2 P
EP: etoposide+cisplatin; CE: carboplatin+etoposide; PD: progressive disease; SD: stable disease; PR: partial response; CR: complete response.
Sex 2.520 0.112 4.058 0.044
Male 285 14.3 (12.66-15.94) 7.2 (6.70-7.70)
Female 84 17.0 (13.19-20.75) 7.8 (5.27-10.33)
Age (yr) 5.406 0.020 0.268 0.605
≥60 213 13.4 (10.81-15.93) 7.3 (6.78-7.82)
<60 156 15.6 (13.71-17.43) 7.7 (7.08-8.38)
Smoking history 3.736 0.053 7.335 0.007
Yes 280 14.1 (12.08-16.13) 7.2 (6.62-7.78)
No 89 16.8 (14.36-19.24) 8.4 (5.87-10.99)
ECOG PS 7.664 0.006 2.112 0.146
0-1 297 15.6 (14.05-17.10) 7.6 (6.89-8.31)
2-4 72 13.0 (9.01-16.99) 7.2 (6.42-7.92)
Brain metastasis 1.369 0.242 0.013 0.909
Yes 67 11.8 (5.92-17.68) 7.6 (6.92-8.22)
No 302 15.4 (13.71-17.09) 7.4 (6.89-7.80)
Liver metastasis 22.794 < 0.001 7.879 0.005
Yes 71 9.4 (7.61-11.19) 6.9 (5.10-8.64)
No 298 16.5 (15.23-17.77) 7.7 (7.14-8.32)
Bone metastasis 23.212 < 0.001 20.231 < 0.001
Yes 118 10.2 (8.33-12.01) 5.4 (4.21-6.53)
No 251 16.8 (15.03-18.57) 8.1 (7.33-8.81)
Adrenal metastasis 0.109 0.741 0.694 0.405
Yes 61 14.9 (11.35-18.45) 7.9 (6.96-8.90)
No 308 15.4 (13.44-17.30) 7.5 (6.98-7.96)
Malignant pleural fluid 0.827 0.363 0.800 0.371
Yes 95 15.6 (13.01-18.13) 7.6 (6.81-8.39)
No 274 14.8 (12.99-16.67) 7.5 (6.93-8.01)
Chemotherapy regimen 4.956 0.084 0.716 0.699
CE regimen 230 14.9 (13.12-16.68) 7.7 (6.95-8.45)
EP regimen 75 17.4 (13.23-21.51) 7.2 (6.14-8.26)
Other regimens 64 11.5 (9.20-13.80) 7.4 (6.40-8.34)
Curative effect 62.003 < 0.001 145.099 < 0.001
PD 28 5.9 (3.48-8.32) 2.0 (1.39-2.61)
SD 79 13.4 (9.82-16.92) 5.9 (4.28-7.52)
PR/CR 197 16.6 (15.21-17.93) 8.2 (7.51-8.96)
Unknown 65 10.0 (7.20-12.80) 8.4 (5.23-11.63)
Cycle number 67.903 < 0.001 84.932 < 0.001
1-3 102 7.7 (5.62-9.78) 3.2 (2.53-3.93)
4-6 221 16.4 (14.93-17.87) 7.6 (7.08-8.06)
≥7 46 16.6 (14.50-18.64) 10.6 (8.90-12.36)
Thoracic radiotherapy 14.557 < 0.001 10.744 0.001
Yes 164 18.6 (14.51-22.75) 8.9 (7.80-9.95)
No 13.1 (10.94-15.20) 6.9 (6.00-7.74)
Recurrence status 37.415 < 0.001 170.031 < 0.001
Resistant 158 11.6 (9.96-13.31) 5.1 (4.71-5.54)
3-6 months 52 18.5 (14.38-22.68) 12.8 (11.52-14.14)
≥6 months 31 24.9 (11.30-38.56) 13.2 (8.96-17.51)
Unknown 128 13.2 (8.96-17.51) 8.4 (7.61-9.25)