Uncovering the uncertainty: Risk factors and clinical relevance of P1 lesions on small bowel capsule endoscopy of anemic patients

Table 1 Demographic and clinical characteristics of patients

Characteristic, n (%)	Cases (n = 37)	Controls (n = 63)	P value
Age, mean ± SD	57.2 ± 15.6	55.4 ± 19.5	0.609
Female gender	29 (78.4)	46 (73.0)	0.55
Mean Comorbidity Charlson Index, mean ± SD	4.1 ± 2.8	3.9 ± 3.2	0.612
PPI	8 (21.6)	17 (27.0)	1.000
Acetylsalicylic acid	15 (40.5)	14 (22.2)	0.051
Other antiplatelet agents	5 (13.5)	12 (19.0)	0.477
Anticoagulants	9 (24.3)	8 (12.7)	0.135
NSAID	6 (16.2)	1 (1.6)	0.01

PPI: Proton pump inhibitors; NSAID: Non-steroidal anti-inflammatory drugs.

Table 2 Follow-up characterization

Characteristic, n (%)	Cases (n = 33)	Controls (n = 54)	P value
Follow-up duration, mean ± SD	31.7 ± 17.2	38.2 ± 15.9	0.075
Further diagnostic examinations	10 (30.3)	29 (53.7)	0.033
IDA recurrence	9 (21.6)	20 (37.0)	0.349
Death	4 (12.1)	5 (9.3)	0.725

IDA: Iron-deficiency anemia.