Table 2 Absolute and relative frequencies for the categorical variables, by group and overall
From: Predicting complete cytoreduction for advanced ovarian cancer patients using nearest-neighbor models
Levels | Non RO | RO | Totals | P | |
|---|---|---|---|---|---|
RO category | 51 (57.3%) | 38 (42.7%) | 89 | – | |
Charlson Comorbidy Index (CCI) | 4 | 44 (45.9%) | 32 (55.2%) | 76 (49.0%) | 0.571 |
5 | 30 (31.3%) | 12 (20.7%) | 41 (26.5%) | ||
6 | 14 (14.5%) | 9 (15.5%) | 23 (14.8%) | ||
7 | 7 (7.3%) | 3 (5.2%) | 10 (6.5%) | ||
8 | 1 (1.0%) | 1 (1.7%) | 2 (1.3%) | ||
9 | – | 1 (1.7%) | 1 (0.6%) | ||
Totals | 96 | 58 | 153 | ||
Surgical Complexity Score (SCS) | 0 | 54 (56.3%) | 37 (63.8%) | 91 (58.7%) | 0.333 |
1 | 30 (31.3%) | 17 (29.3%) | 47 (30.3%) | ||
2 | 12 | 4 | 16 (10.3%) | ||
Totals | 96 | 58 | 154 | ||
Type of Surgery | Primary | 17 (17.7%) | 14 (24.1%) | 31 (20.0%) | 0.451 |
Interval | 79 (82.3%) | 44 (75.9%) | 123 (80.0%) | ||
Totals | 96 | 58 | 154 | ||
Disease Score | 1 | 14 (14.6%) | 2 (3.4%) | 16 (10.3%) | 0.0006 |
2 | 60 (62.5%) | 28 (48.3%) | 88 (56.8%) | ||
3 | 22 (22.9%) | 28 (48.3%) | 50 (32.3%) | ||
Totals | 96 | 58 | 154 |