Table 4.

The correlation between bilirubin values obtained from AJO-Neo and TSB at different times of phototherapy (N = 68).

Hours of phototherapy	Statistical test	Parameters	Right thumb nail plate	Left thumb nail plate
24 h	Linear regression analysis	Regression Coefficient (r)	0.74	0.70
		P value	0.81	0.55
		Slope	0.54	0.53
		Intercept	3.59	3.67
	Bland Altman Analysis	Bias (95% CI)	2.56 (1.90 to 3.22)	2.62 ( 1.91 to 3.33)
		Standard deviation	2.20	2.36
		Limits of agreement	− 1.75 to 6.88	− 2.00 to 7.25
48 h	Linear regression analysis	Regression Coefficient (r)	0.65	0.58
		P value	0.32	0.05
		Slope	0.50	0.47
		Intercept	4.50	4.75
	Bland altman analysis	Bias (95% CI)	1.01 (0.30 to 1.71)	1.15 (0.37 to 1.93)
		Standard deviation	2.48	2.75
		Limits of agreement	− 3.86 to 5.88	− 4.24 to 6.55
72 h	Linear regression analysis	Regression Coefficient (r)	0.82	0.83
		P value	0.05	0.05
		Slope	0.81	1.00
		Intercept	1.49	− 0.20
	Bland altman analysis	Bias (95% CI)	0.11 (− 0.37 to 0.60)	0.18 (− 0.35 to 0.71)
		Standard deviation	1.56	1.74
		Limits of agreement	2.96 to 3.18	− 3.17 to 3.53