Platelet count/spleen diameter ratio to predict esophageal varices in Mexican patients with hepatic cirrhosis

Table 1 Clinical and laboratory characteristics of the study sample n (%)

Characteristics	Value
Patients (n)	91 (100)
Age (yr)	53.75 ± 12
Cirrhosis etiology
Alcoholism	48 (52.7)
Viral hepatitis	24 (26.3)
Viral hepatitis + alcoholism	3 (3.2)
Other	16 (17.5)
Grading of varices
I	21 (23)
II	30 (32.9)
III	22 (24.1)
Child–Pugh classification
A	17 (18.6)
B	37 (40.6)
C	37 (40.6)

Table 2 Patient distribution according to the presence of esophageal varices

	EV present	EV absent	P value1
Platelets/μL	117517 ± 50275	175788 ± 88448	0.014
SD (average mm)	148.16 ± 21.88	130.61 ± 14.41	0.002
PC/SD ratio	824.56 ± 412.27	1390 ± 905.49	0.018

¹Using Student’s t test. EV: Esophageal varices. PC/SD: Platelet count/diameter of the spleen.

Table 3 Results of the platelet count/diameter of the spleen ratio diagnostic test using the cutoff value of ≤ 884 to predict esophageal varices

	EV present	EV absent
Cutoff ratio of ≤ 884 vs > 884	73	18
Sensitivity	84%
Specificity	70%
Positive predictive value	94%
Negative predictive value	40%
Positive likelihood ratio	4.1
Negative likelihood ratio	0.37