Postoperative survival analysis and prognostic nomogram model for patients with portal hypertension

Table 1 Patient demographics, laboratory information and perioperative characteristics (n = 319) n (%)

Parameter	STPD (n = 200)	SSPD (n = 119)	P value
Age (yr)	49.79 ± 11.14	48.92 ± 10.09	0.49
Gender (male)	93 (46.50)	54 (45.38)	0.85
Aetiology: Hepatitis B/hepatitis C/others	131 (65.50)/23 (11.50)/46 (23.00)	88 (73.95)/17 (14.29)/14 (11.76)	0.04
Charlson score: 0/1/2/3/≥ 3	105 (52.50)/54 (27.00)/21 (10.50)/ 20 (10.00)	62 (52.10)/42 (35.29)/12 (10.08)/3 (2.52)	0.06
Blood type: A/B/O/AB	57 (28.50)/62 (31.00)/59 (29.50)/22 (11.00)	36 (30.25)/33 (27.73)/36 (30.25)/14 (11.76)	0.94
History of variceal ligation	27 (13.50)	9 (7.56)	0.11
History of abdominal surgery	35(17.50)	21(17.65)	0.97
Smoking	57 (28.50)	28 (23.53)	0.33
Drinking	38 (19.00)	25 (21.01)	0.66
History of variceal bleeding	105 (52.50)	43 (36.13)	0.01
BMI	21.97 ± 3.04	21.62 ± 2.54	0.29
Child-Pugh score	6.56 ± 1.27	6.92 ± 1.29	0.02
MELD score	5.92 ± 0.40	5.97 ± 0.47	0.32
ALBI score	-2.26 ± 0.50	-2.10 ± 0.54	0.01
CCI score	18.64 ± 11.78	17.53 ± 9.53	0.38
WBC count (109/L)	2.79 ± 1.78	2.40 ± 1.38	0.04
Hb (g/L)	93.35 ± 24.77	94.74 ± 25.82	0.63
Platelet count (109/L)	49.32 ± 28.63	43.28 ± 21.20	0.05
PT (s)	13.85 ± 1.96	14.29 ± 1.82	0.04
INR	1.19 ± 0.18	1.32 ± 1.10	0.10
TBIL (mmol/L)	27.24 ± 16.22	29.37 ± 16.81	0.26
DBIL (mmol/L)	11.87 ± 7.67	12.33 ± 6.87	0.59
ALT (IU/L)	35.79 ± 55.76	38.20 ± 31.58	0.67
AST (IU/L)	43.72 ± 52.72	44.55 ± 33.76	0.88
ALB (g/L)	37.24 ± 5.50	35.61 ± 5.66	0.01
GLB (g/L)	28.36 ± 5.90	29.03 ± 5.91	0.32
Scr (mmol/L)	62.44 ± 18.02	58.71 ± 13.68	0.05
Cys C (mg/L)	1.12 ± 0.32	1.11 ± 0.25	0.71
Duration of preoperative hospital stay (d)	14.56 ± 9.43	16.08 ± 9.29	0.16
Duration of postoperative hospital stay (d)	15.75 ± 6.46	14.97 ± 5.30	0.27
Total hospital stay (d)	30.61 ± 12.20	31.77 ± 11.75	0.40
Operative time, min	139.76 ± 50.73	124.55 ± 42.49	0.00
Intraoperative blood loss (mL)	869.51 ± 692.77	591.34 ± 477.54	0.00
Time to first flatus (d)	4.69 ± 1.70	3.67 ± 1.18	0.00

BMI: Body mass index; MELD: Model for end-stage liver disease; ALBI: Albumin-bilirubin; CCI: Comprehensive Complication Index; WBC: White blood cell; Hb: Haemoglobin; PT: Prothrombin time; INR: International normalised ratio; TBIL: Total bilirubin; DBIL: Direct bilirubin; ALT: Alanine transaminase; AST: Aspartate transaminase; ALB: Albumin; GLB: Globulin; Scr: Serum creatinine; Cys C: Cystatin C; SSPD: Splenectomy plus simplified pericardial devascularisation.