Table 2.
% cancers of the vulva treated by surgery (and odds ratios for surgery) as part of the primary course of treatment; Australian major public hospitals, 1984–2016 diagnoses
| Number of cases | Surgery (%) |
p value* Mann-Whitney or Fisher Exact Test |
Odds ratiosa - adjusted (95% CIs) |
|---|---|---|---|
| All (n = 383) | 93.7 | – | – |
| Age at diagnosis (yrs.): | |||
| < 50 (n = 56) | 98.2 | MW p = 0.452 | 1.00 |
| 50–69 (n = 100) | 91.0 | 0.28 (0.03, 2.58) | |
| 70–79 (n = 113) | 95.6 | 0.64 (0.06, 6.38) | |
| 80+ (n = 114) | 92.1 | 0.30 (0.03, 2.77) | |
| FIGO stage: | |||
| I (n = 167) | 98.2 | MW p = < 0.001 (excluding UK) | 1.00 |
| II (n = 103) | 97.1 | 0.70 (0.13, 3.87) | |
| III (n = 68) | 83.8 | 0.13 (0.03, 0.53) | |
| IV (n = 29) | 79.3 | 0.11 (0.02, 0.53) | |
| (Unknown (n = 16)) | (93.8) | (0.76 (0.07, 8.87)) | |
| Differentiation: | |||
| Well (n = 102) | 99.0 | MW p = 0.002 (excluding UK) | 1.00 |
| Moderate (n = 136) | 94.1 | 0.25 (0.03, 2.28) | |
| Poorly/undifferentiated (n = 75) | 90.7 | 0.22 (0.02, 0.53) | |
| (Unknown (n = 70) | (88.6) | (0.13 (0.01, 1.28)) | |
| Histology: | |||
| Squamous cell carcinoma (n = 341) | 94.4 | FET p = 0.165 | 1.00 |
| Other (n = 42) | 88.1 | 0.59 (0.16, 2.13) | |
| Socioeconomic (SEIFA): | |||
| Low (n = 138) | 96.4 | MW p = 0.021 | 1.00 |
| Low/med (n = 75) | 94.7 | 0.58 (0.13, 2.64) | |
| Med/high (n = 77) | 94.8 | 0.69 (0.15, 3.05) | |
| High (n = 93) | 88.2 | 0.33 (0.10, 1.13) | |
| Geographic remoteness: | |||
| Low (n = 314) | 93.6 | MW p = 0.757 | 1.00 |
| Moderate (n = 45) | 91.1 | 0.35 (0.09, 1.40) | |
| High (n = 24) | 100.0 | 0.00 (0.00, 3.26) | |
| Diagnostic period (calendar years.): | |||
| 1984–99 (n = 199) | 95.5 | FET p = 0.205 | 1.00 |
| 2000–16 (n = 184) | 91.8 | 0.79 (0.28, 2.20) | |
*Derived from Mann-Whitney U Test (ordinal) or Fisher Exact Test (binary)
aDerived from multiple logistic regression, adjusting for other variables in the Table