Table 1.

Classification, frequency of underlying comorbidities, and prevalence of different intensity of pain, on admission.

Comorbidities	Number of cases (%)
Cancer disease	109 (21%)
Heart disease	175 (33%)
Pulmonary disease	123 (23%)
Vascular disease	128 (24%)
Musculoskeletal disease	86 (16%)
Neurological disease	95 (18%)
Cutaneous disease	20 (4%)
Renal disease	77 (15%)
Metabolic disease	85 (16%)
Hepatic disease	55 (10%)
Biliary disease	47 (9%)
Pancreatic disease	16 (3%)
Gastric disease	63 (12%)
Bowel disease	56 (11%)
Recent surgery history	42 (8%)
No pain	195 (37.2%)
Mild pain	111 (21.2%)
Moderate pain	178 (34%)
Severe pain	40 (7.6%)