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

Table 3.

Dental QLF parameters repeatability analysis in Smokers

Parameters	Short-Term Repeatability	Long-Term Repeatability
ΔR30	0.971 (p < 0.0001)	-0.08 (-1.54/1.38)	NO (p = 0.627)	0.985 (p < 0.0001)	-0.31 (-1.38/0.77)	YES (p = 0.015)
ΔR120	0.990 (p < 0.0001)	-0.08 (-0.61/0.46)	NO (p = 0.346)	0.978 (p < 0.0001)	0 (-0.78/0.78)	NO (p = 1)
SOH score	0.978 (p < 0.0001)	0 (-0.55/0.55)	NO (p = 1)	0.974 (p < 0.0001)	-0.12 (-0.75/0.52)	NO (p = 0.149)

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

0.971

(p < 0.0001)

-0.08

(-1.54/1.38)

(p = 0.627)

0.985

(p < 0.0001)

-0.31

(-1.38/0.77)

YES

(p = 0.015)

ΔR120

0.990

(p < 0.0001)

-0.08

(-0.61/0.46)

(p = 0.346)

0.978

(p < 0.0001)

(-0.78/0.78)

(p = 1)

SOH score

0.978

(p < 0.0001)

(-0.55/0.55)

(p = 1)

0.974

(p < 0.0001)

-0.12

(-0.75/0.52)

(p = 0.149)

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