Table 2 H28 HPV results and semi-quantification of ß-globin DNA load, stratified on delay between sampling and laboratory processing of DNA extraction (2 to ≥4 weeks)
From: Use of swabs for dry collection of self-samples to detect human papillomavirus among Malagasy women
HPV results | ß-globin DNA loada | p value | ||||
|---|---|---|---|---|---|---|
Undetectable | + | ++ | +++ | Total | ||
N (%) | N (%) | N (%) | N (%) | N (%) | ||
2 weeks | ||||||
Positive | 1 (2.3) | 1 (2.3) | 32 (74.4) | 9 (20.9) | 43 (100.0) | <0.001 |
High-riskb | 0 | 1 (3.3) | 23 (76.7) | 6 (20.0) | 30 (100.0) | |
Low-riskc | 1 (4.6) | 0 | 17 (77.3) | 4 (18.2) | 22 (100.0) | |
Negative | 0 | 0 | 26 (65.0) | 14 (35.0) | 40 (100.0) | |
Invalid | 3 (60.0) | 2 (40.0) | 0 | 0 | 5 (100.0) | |
3 weeks | ||||||
Positive | 2 (3.5) | 4 (7.0) | 38 (66.7) | 13 (22.8) | 57 (100.0) | <0.001 |
High-riskb | 1 (2.3) | 4 (9.1) | 30 (68.2) | 9 (20.5) | 44 (100.0) | |
Low-riskc | 1 (3.9) | 2 (7.7) | 18 (69.2) | 5 (19.2) | 26 (100.0) | |
Negative | 0 | 0 | 50 (72.5) | 19 (27.5) | 69 (100.0) | |
Invalid | 5 (38.5) | 8 (61.5) | 0 | 0 | 13 (100.0) | |
≥4 weeks | <0.001 | |||||
Positive | 4 (3.7) | 6 (5.5) | 79 (72.5) | 20 (18.4) | 109 (100.0) | |
High-riskb | 2 (2.4) | 5 (6.1) | 57 (69.5) | 18 (22.0) | 82 (100.0) | |
Low-riskc | 3 (4.6) | 3 (4.6) | 51 (78.5) | 8 (12.3) | 65 (100.0) | |
Negative | 0 | 0 | 62 (72.9) | 23 (27.1) | 85 (100.0) | |
Invalid | 20 (71.4) | 8 (28.6) | 0 | 0 | 28 (100.0) | |
TOTAL | 35 (7.8) | 29 (6.5) | 287 (63.9) | 98 (21.8) | 449 (100.0) | |