Table 2.
Comparison of PCI (prophylactic cranial irradiation) versus No PCI Across All Patients
| No PCI (N = 64) | PCI (N = 91) | Total (N = 155) | P valuec | |
|---|---|---|---|---|
| Age | 0.2908a | |||
| Mean (standard deviation) | 73.1 (2.6) | 72.6 (2.3) | 72.8 (2.4) | |
| Median | 73.0 | 72.0 | 72.0 | |
| Range | (70.0–80.0) | (70.0–79.0) | (70.0–80.0) | |
| Sex | 0.5038b | |||
| Female | 24 (37.5%) | 39 (42.9%) | 63 (40.6%) | |
| Male | 40 (62.5%) | 52 (57.1%) | 92 (59.4%) | |
| Performance Status | 0.0235b | |||
| 0 | 15 (23.4%) | 34 (37.4%) | 49 (31.6%) | |
| 1 | 31 (48.4%) | 46 (50.5%) | 77 (49.7%) | |
| 2 | 18 (28.1%) | 11 (12.1%) | 29 (18.7%) | |
| Extent of Disease | <0.0001b | |||
| Limited | 20 (31.3%) | 64 (70.3%) | 84 (54.2%) | |
| Extensive (0 or 1 met site) | 23 (35.9%) | 18 (19.8%) | 41 (26.5%) | |
| Extensive (2+ mets sites) | 21 (32.8%) | 9 (9.9%) | 30 (19.4%) |
a
Wilcoxon rank sum test
b
Chi-square test
c
Significant values are in bold