an increasing trendp < .0001
Although there was an increasing trend from Process A (3.6 ± 0.5%) to Process B (7.9 ± 1.1%, p < .0001, compared to Process A) to Process C (9.5 ± 3.0%, p = .11 compared to Process A, p = .53 compared to Process B), the trend was not consistently statistically significant.