Table 2.

Baseline and follow‐up chromogranin A measurements of the study participants

	Baseline CgA (ng/mL)	Follow‐up CgA (ng/mL)	P‐value
Normal CgA group (n = 77)	47.53 ± 19.51 (35.10–56.40)	53.25 ± 27.85 (32.00–63.20)	0.0277
High CgA group (n = 17)	365.65 ± 316.83 (151.20–410.40)	466.16 ± 625.03 (168.20–572.10)	0.2202
Groups combined (n = 94)	105.05 ± 180.93 (36.60–81.55)	127.93 ± 305.57 (36.33–95.08)	0.0571

Duration between the two measurements was 4.73 ± 2.27 years. Mean ± Standard Deviation (Interquartile range). CgA, chromogranin A. P‐values of statistically different results between the two cohorts are indicated with bold text.