Table 1.

Demographic and clinical data of patient subjects.

Demographic Data:	n	Minimum	Maximum	Mean	SD	Median
Gender
male	213
female	215
Age [years]	428	20	94	71.59	12.33	72.50
Height [cm]	423	136	181	157.61	8.56	158.00
Weight [kg]	421	30	110	50.56	11.07	50.00
Diagnosis (primary disease):	n				Diagnosis (primary disease):			n
lung cancer	81				breast cancer			60
stomach cancer	26				pancreas cancer			25
prostate cancer	25				colon cancer			22
bladder cancer	17				rectal cancer			13
hepatocellular cancer	12				esophageal cancer			10
uterus cancer	9				ovary cancer			8
others	120
Status and side effects:	absence	presence
somatic pain	38	390
visceral pain	346	82
neuropathic pain	327	101
nausea	193	138
constipation	113	245
Breakdown of opioids:	n	morphine	oxicodone	fentanyl	tapentadol	tramadol	methadone	hydromorphone
Number of administered patients	426	97	209	107	10	31	5	41
Administration of opioids:	n	Minimum	Maximum	Mean	SD	Median
Total dose of opioids [mg/kg]	419	0.060241	32.407407	1.74	3.09	0.8163265
(converted to oral morphine)
Administration of other drugs:	absence	presence
NSAIDs	137	291
supplementary analgesics	171	257