Table 3. Analysis of the influencing factors of survival in IV stage GC patients.

Items	N	Mean survival time (months)	Median survival time (months)	P value
Age				0.6531
≤60 years	14	18.88 (13.36–24.26)	16.13 (12.60–19.67)
>60 years	13	20.77 (15.02–25.18)	16.17 (11.13–21.20)
Gender				0.0763
Male	22	18.63 (14.72–25.86)	18.60 (13.45–19.83)
Female	5	21.94 (13.17–24.39)	20.90 (14.57–21.28)
Intake				0.0892
Moderate decline	8	23.69 (14.92–32.48)	18.82 (15.57–22.01)
Severe decline	19	17.23 (14.01–20.46)	15.61 (13.04–18.16)
BMI				0.8331
Low weight	5	21.36 (9.38–33.35)	14.73 (10.81–18.66)
Normal weight	15	18.03 (14.38–22.62)	16.13 (10.08–22.18)
Overweight	7	20.19 (13.012–27.37)	16.17 (12.35–19.99)
OPNI				0.0542
≤41.26	18	16.73 (16.66–32.76)	14.90 (15.59–22.01)
>41.26	9	24.71 (13.32–20.14)	18.80 (12.48–17.33)
Primary site				0.9164
Cardia	2	27.4 (9.22–37.58)	16.167 (–)
Stomach	25	19.11 (15.16–22.97)	16.13 (12.71–19.56)
L3 SMI				0.0443*
Sarcopenia	19	16.78 (13.56–20.01)	15.62 (13.14–18.07)
No-sarcopenia	8	25.58 (16.67–34.50)	18.80 (4.76–34.95)

*, P<0.05. GC, gastric cancer; BMI, body mass index; OPNI, Onodera’s prognostic nutritional index; SMI, skeletal muscle index.