Three-dimensional reconstruction under computed tomography and myopectineal orifice measurement under laparoscopy for quality control of inguinal hernia treatment

Table 1 Baseline characteristics and clinical data of the patients

Grouping	Quantity	Percentage	Cumulative percentage
Hernia side
Bilateral	8	10.81	10.81
Right	43	58.11	68.92
Left	23	31.08	100.00
Hernia type
Oblique hernia	48	64.86	72.97
Direct hernia	15	20.27	93.24
Femoral hernia	5	6.76	100.00
Other	6	8.11	8.11
Age classification
< 60 years	34	45.95	45.95
≥ 60 years	40	54.05	100.00
BMI classification (n = 73)
≤ 24	43	58.90	58.90
> 24	30	41.10	100.00
Sex
Male	64	86.49	86.49
Female	10	13.51	100.00
Occupational classification (n = 72)	74	100.0	100.0

BMI: Body mass index.

Table 2 Myopectineal orifice length and area, cm

Name	Sample size	Minimum value	Maximum value	The average value	SD	Median
Intraoperative AC	50	6.000	8.500	7.052	0.474	7.000
Intraoperative BD	50	5.000	7.500	6.266	0.609	6.400
Preoperative AC	74	6.220	8.410	7.204	0.474	7.275
Preoperative BD	74	5.220	7.410	6.113	0.402	6.115
MPO area, cm2	74	12.670	26.840	19.535	3.325	19.640

AC: Distance between point A and point C, the length of the MPO; BD: Distance between point B and point D, the width of the MPO.

Table 3 Comparison of preoperative computed tomography measurement data and intraoperative measurement data

Name	Pairing 1	Pairing 2	Difference (pairing 1-pairing 2)	t	P
Intraoperative AC paired with preoperative AC	7.05 ± 0.47	7.18 ± 0.51	-0.12	-1.890	0.065
Intraoperative BD paired with preoperative BD	6.27 ± 0.61	6.17 ± 0.40	0.09	1.010	0.317

AC: Distance between point A and point C, the length of the MPO; BD: Distance between point B and point D, the width of the MPO.

Table 4 The influence of sex, age, and body mass index on the size of the myopubic foramen, mean ± SD

	Intraoperative AC	Intraoperative BD	Preoperative AC	Preoperative BD	MPO area
Gender
Male (n = 64)	7.09 ± 0.47	6.35 ± 0.61	7.25 ± 0.46	6.13 ± 0.41	19.59 ± 3.12
Female (n = 10)	6.85 ± 0.49	5.83 ± 0.35	6.92 ± 0.46	6.03 ± 0.37	19.17 ± 4.64
t	1.324	2.333	2.042	0.667	0.278
P	0.192	0.024a	0.045a	0.507	0.786
Age
< 60 (n = 34)	7.05 ± 0.34	6.36 ± 0.60	7.18 ± 0.46	6.14 ± 0.37	20.07 ± 3.31
≥ 60 (n = 40)	7.06 ± 0.59	6.17 ± 0.61	7.22 ± 0.49	6.09 ± 0.43	19.08 ± 3.31
t	-0.088	1.110	-0.407	0.554	1.274
P	0.930	0.272	0.685	0.582	0.207
BMI
≤ 24 (n = 43)	6.97 ± 0.40	6.20 ± 0.60	7.17 ± 0.43	6.10 ± 0.36	19.40 ± 3.34
> 24 (n = 30)	7.17 ± 0.55	6.36 ± 0.62	7.24 ± 0.54	6.13 ± 0.47	19.75 ± 3.40
t	-1.536	-0.898	-0.542	-0.286	-0.432
P	0.131	0.374	0.590	0.775	0.667

^aP < 0.05.

BMI: Body mass index; AC: Distance between point A and point C, the length of the myopectineal orifice; BD: Distance between point B and point D, the width of the myopectineal orifice; MPO: Myopectineal orifice.

Table 5 Influence of hernia side and hernia type on the size of the myopubic foramen, mean ± SD

	Intraoperative AC	Intraoperative BD	Preoperative AC	Preoperative BD	MPO area
Hernia side
Right (n = 43)	7.07 ± 0.48	6.29 ± 0.58	7.26 ± 0.49	6.11 ± 0.40	19.56 ± 3.30
Left (n = 23)	6.96 ± 0.55	6.15 ± 0.67	7.10 ± 0.47	6.04 ± 0.42	19.10 ± 3.42
t	0.620	0.683	1.270	0.689	0.536
P	0.539	0.499	0.209	0.493	0.594
Hernia type
Oblique hernia (n = 48)	7.02 ± 0.49	6.33 ± 0.60	7.21 ± 0.48	6.12 ± 0.39	19.59 ± 3.25
Direct hernia (n = 15)	7.12 ± 0.46	6.22 ± 0.66	7.26 ± 0.48	6.15 ± 0.44	19.98 ± 3.12
t	-0.548	0.496	-0.347	-0.250	-0.414
P	0.586	0.622	0.729	0.804	0.680

AC: Distance between point A and point C, the length of the myopectineal orifice; BD: Distance between point B and point D, the width of the myopectineal orifice; MPO: Myopectineal orifice.