Table 1A.
Patient characteristics and correlations
| Variable | All patients (n = 41) | 16S copies/µg DNA in AP tissue | |
|---|---|---|---|
| P-valuea | Correlation (Spearman r, P) | ||
| General | |||
| Gender (female/male) | 23 / 18 | 0.186 6 | |
| Age (median, range) | 57, 30–84 | r = 0.379, P = 0.017 | |
| Smoking (y/n) | 5 / 36 | 0.229 7 | |
| Existing root filling (y/n) | 38 / 3 | ||
| Objective symptoms (y/n) | 27 / 14 | 0.302 8 | |
| Percussion (y/n) | 7 / 33 | 0.631 7 | |
| Palpitation (y/n) | 11 / 30 | 0.177 2 | |
| Fistula (y/n) | 10 / 31 | 0.006 5 | |
| Radiographic progression (y/n/no data) | 12 / 12 / 17 | 0.116 4 | |
| Lesion size/mm (median, range) | 5.9, 2–15.4 | r = 0.230, P = 0.159 | |
| Lesion growth/mm (median, range) | 1, −0.9–11.1 | r = 0.282, P = 0.229 | |
| Antibiotic last 3 months (y/n) | 3 / 38 | 0.901 4 | |
| Upper jaw/lower jaw | 33 / 8 | 0.798 1 | |
y/n, yes/no
aMann–Whitney test
Statistically significant comparisons (p < 0, 05) are displayed in bold font