Elective “True Day Case” Laparoscopic Inguinal Hernia Repair in a District General Hospital: Lessons Learned from 1000 Consecutive Cases

Table 3

Comparison (univariate and multivariate analysis) of baseline demographic and operative characteristics of “true day cases” (TCD) and patients who required an unexpected overnight stay (UOS).

Parameter	TDC (N=822)	UOS (n=93)	Univariate Analysis	Multivariate Analysis
Age years (Mean ± SD)	55.5±14.8	63.2±13.83	p<0.0001	P=0.0001
Age ≥60	377(45.9%)	63(67.8%)	p<0.0001
Male gender †	769(93.5%)	84 (90.3%)	p=0.2723
BMI (Kg/m2)	26.4±3.5	25.8±3.5	p>0.05	P=0.110
BMI ≥ 35 Kg/m^2	18(2.2%)	2 (2.1%)	p=0.3457
ASA1/2 vs ASA3	798/23	87/6	p=0.1126	P=0.582
Mean operation time (mins)	60.3±21.0	66.8±24.2	p=0.0091	p=0.021
Length of procedure (>90 minutes†)	78 (9.4%)	15 (16.1%)	p=0.068
Time leaving recovery (after 18:30 hr) †	50(6%)	23 (24.7%)	p<0.0001
Recovery time (min)	68.7±31.4	80.3±46.9	p=0.0226
Timing of procedure (PM list) †	447(54.4%)	68 (73.1%)	p=0.0009	p=0. 001
Immediate post-operative complications (urine retention, bleeding) †	1 (0.00%)	49(52.7%)	p<0.0001
Operations by trainee(SAS/Registrar) †	84 (10.2%)	6(6.5%)	p>0.05	P=0.375
Bilateral/unilateral	178/644	28/65	p=0.067	p=0.267

→ values as mean/SD and †→values as frequencies/ percentages.