. 2023 Jul 13;23:480. doi: 10.1186/s12903-023-03154-0

Table 2.

Dental QLF parameters repeatability analysis in Never Smokers

Parameters	Short-Term Repeatability	Long-Term Repeatability
ΔR30	0.951 (p < 0.0001)	0.16 (-1.19/1.51)	NO (p = 0.256)	0.864 (p < 0.0001)	0.08 (-2.32/2.48)	NO (p = 0.746)
ΔR120	0.924 (p < 0.0001)	-0.12 (-077/0.53)	NO (p = 0.083)	0.901 (p < 0.0001)	-0.08 (-0.62/0.46)	NO (p = 0.162)
SOH score	0.975 (p < 0.0001)	0.08 (-0.46/0.62)	NO (p = 0.162)	0.920 (p < 0.0001)	0 (-0.98/0.98)	NO (p = 0.425)

Parameters

Short-Term Repeatability

Long-Term Repeatability

Regression analysis
V2-V1
R value
(p value)

Mean of the difference V2-V1 being different from zero?

Regression analysis
V3-V1
R value
(p value)

Mean of the difference V3-V1 being different from zero?

Mean of the Difference
(95% CI)

YES/NO
(p value)

Mean of the Difference
(95% CI)

YES/NO
(p value)

ΔR30

0.951

(p < 0.0001)

0.16

(-1.19/1.51)

(p = 0.256)

0.864

(p < 0.0001)

0.08

(-2.32/2.48)

(p = 0.746)

ΔR120

0.924

(p < 0.0001)

-0.12

(-077/0.53)

(p = 0.083)

0.901

(p < 0.0001)

-0.08

(-0.62/0.46)

(p = 0.162)

SOH score

0.975

(p < 0.0001)

0.08

(-0.46/0.62)

(p = 0.162)

0.920

(p < 0.0001)

(-0.98/0.98)

(p = 0.425)

CI Confidence interval, V1 Visit 1, V2 Visit 2, V3 Visit 3