Table 3 Effect of covariates on patients’ satisfaction (GLM).

From: Subjective versus objective, polymer bur-based selective carious tissue removal: 1-year interim analysis of a randomized clinical trial

Covariate

Number of Restorations

Median

Mean

95% CI

p-value

Protocol

O

86

1.00

1.42

1.25–1.59

0.152

S

91

1.00

1.59

1.40–1.79

Primary molar

First

82

1.00

1.59

1.37–1.80

0.260

Second

95

1.00

1.44

1.28–1.60

Arch

Upper

66

1.00

1.74

1.46–2.03

0.067

Lower

111

1.00

1.37

1.25–1.49

Cavity extension

Single-surface

57

1.00

1.51

1.30–1.72

0.964

Multi-surfaces

120

1.00

1.51

1.34–1.67

Operator

1

103

1.00

1.58

1.39–1.78

0.356

2

74

1.00

1.41

1.24–1.57

  1. Median and mean satisfaction (from 1- very satisfied to 5 – very dissatisfied) and 95% confidence intervals (95% CI) as well as levels of significance between groups (p-values) are shown. No significant differences emerged. O: objective, polymer bur-based removal; S – subjective removal.
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