Table 5 Number of studies reporting different forms of variability measures around their means. See text for explanation of terms
From: How does tillage intensity affect soil organic carbon? A systematic review
| Concentration study variability measure | Number of studies | Stock study variability measure | Number of studies |
|---|---|---|---|
| None | 111 | None | 85 |
| Undescribed measure | 6 | Undescribed measure | 1 |
| Overall 95% CI | 1 | Overall 95% CI | 1 |
| Overall CV | 10 | Overall CV | 6 |
| Overall LSD | 44 | Overall LSD | 12 |
| Overall LSD/overall p values | 1 | Overall p values | 1 |
| Overall p values | 8 | Overall SE | 2 |
| Overall SE | 2 | Raw data | 3 |
| Overall SED | 1 | Individual CI | 1 |
| Raw data | 6 | Individual LSD | 2 |
| Individual 95% CI | 0 | Individual SD | 15 |
| Individual LSD | 4 | Individual SE | 17 |
| Individual p values | 3 | Total | 146 |
| Individual SD | 23 | ||
| Individual SE | 50 | ||
| Individual SED | 1 | ||
| Total | 271 |