Short-term outcomes after laparoscopic colorectal cancer surgery in patients over 90 years old: a Japanese multicenter study

Table 4 Clinical factors predicting postoperative overall complications and infectious complications among colorectal cancer patients

	Postoperative overall complication				Infectious complication
	Univariate analysis	Multivariate analysis			Univariate analysis	Multivariate analysis
	P value	Odds ratio	95%CI	P value	P value	Odds ratio	95%CI	P value
Sex	0.045			0.106	0.227
Female		1
Male		2.113	0.851–5.243
ASA performance status	0.202				0.966
1–2
3–4
BMI, kg/m²	0.365				0.984
< 25
≥25
Location	0.259				0.254
Colon
Rectum
Blood transfusion	0.826				0.757
No
Yes
Surgical approach	0.176				0.005			0.026
LCR						1
OP						3.535	1.159–10.781
Clinical T factor	0.900				0.648
1–3
4
Clinical N factor	0.761				0.669
Absence
Presence
Operation time, min	0.901				0.042			0.270
< 160						1
≥160						0.538	0.179–1.617
Estimated blood loss, mL	0.049			0.096	0.421
< 35		1
≥35		2.141	0.872–5.256

HR, hazard ratio; CI, confidence interval; BMI, body mass index; ASA, American Society of Anesthesiologists; OP, open surgery; LCR, laparoscopic colorectal resection
Cox proportional hazards modeling was used to identify independent risk factors for postoperative complications

ISSN: 1471-2482