Table 3.
Cecal insertion time according to study variables, by gender, with P values estimated by univariable analysis n (%)
|
Male (n = 1012) |
Female (n = 666) |
|||||
|
Cecal insertion time (min) |
P value |
Cecal insertion time (min) |
P value | |||
| ≤ 10 (n = 800) | > 10 (n = 212) | ≤ 10 (n = 478) | > 10 (n = 188) | |||
| Age (yr) | 0.089 | 0.619 | ||||
| < 65 | 726 (90.8) | 184 (86.8) | 438 (91.6) | 170 (90.4) | ||
| ≥ 65 | 74 (9.3) | 28 (13.2) | 40 (8.4) | 18 (9.6) | ||
| Obesity indices | ||||||
| BMI (kg/m2) | 0.007 | 0.013 | ||||
| < 23 | 202 (25.3) | 58 (27.4) | 255 (53.3) | 118 (62.8)b | ||
| 23-24.9 | 261 (32.6) | 46 (21.7)a | 127 (26.6) | 30 (16.0) | ||
| ≥ 25 | 337 (42.1) | 108 (50.9) | 96 (20.1) | 40 (21.3) | ||
| WHR | 0.414 | 0.332 | ||||
| Normal | 118 (14.8) | 36 (17.1) | 139 (29.1) | 62 (33.0) | ||
| High | 680 (85.2) | 175 (82.9) | 338 (70.9) | 126 (67.0) | ||
| WC (cm) | 0.396 | 0.508 | ||||
| Normal | 768 (96.1) | 201 (94.8) | 330 (69.0) | 134 (71.7) | ||
| High | 31 (3.9) | 11 (5.2) | 148 (31.0) | 53 (28.3) | ||
| VAT volume (cm3) | 0.123 | 0.020 | ||||
| < 500 | 73 (9.1) | 24 (11.3) | 164 (34.3) | 86 (45.7)c | ||
| 500-1499 | 606 (75.8) | 146 (68.9) | 300 (62.8) | 96 (51.1) | ||
| ≥ 1500 | 121 (15.1) | 42 (19.8) | 14 (2.9) | 6 (3.2) | ||
| SAT volume (cm3) | 0.511 | 0.082 | ||||
| < 1000 | 90 (11.3) | 23 (10.8) | 17 (3.6) | 7 (3.7) | ||
| 1000-1999 | 575 (71.9) | 146 (68.9) | 256 (53.6) | 118 (62.8) | ||
| ≥ 2000 | 135 (16.9) | 43 (20.3) | 205 (42.9) | 63 (33.5) | ||
| History of abdominal surgery | 0.087 | 0.213 | ||||
| No | 687 (85.9) | 172 (81.1) | 390 (81.6) | 161 (85.6) | ||
| Yes | 113 (14.1) | 40 (18.9) | 88 (18.4) | 27 (14.4) | ||
| Constipation | 0.480 | 0.350 | ||||
| No | 740 (92.5) | 193 (91.0) | 408 (85.4) | 155 (82.4) | ||
| Yes | 60 (7.5) | 19 (9.0) | 70 (14.6) | 33 (17.6) | ||
| Experience | < 0.001 | 0.015 | ||||
| Attending physicians | 552 (69.0) | 115 (54.2) | 281 (58.8) | 91 (48.4) | ||
| Fellow | 248 (31.0) | 97 (45.8) | 197 (41.2) | 97 (51.6) | ||
| Bowel preparation | 0.561 | 0.462 | ||||
| Excellent to fair | 561 (70.1) | 153 (72.2) | 359 (75.1) | 136 (72.3) | ||
| Poor to inadequate | 239 (29.9) | 59 (27.8) | 119 (24.9) | 52 (27.7) | ||
| Diverticulosis | 0.135 | 0.966 | ||||
| No | 734 (91.8) | 201 (94.8) | 465 (97.3) | 183 (97.3) | ||
| Yes | 66 (8.3) | 11 (5.2) | 13 (2.7) | 5 (2.7) | ||
WHR: male n = 1009, female n = 665; WC: male n = 1011, female n = 665.
a
P = 0.004 vs BMI ≥ 25 kg/m2,
b
P = 0.009 vs BMI 23-24.9 kg/m2,
c
P = 0.015 vs VAT volume 500-1499 cm3. BMI: Body mass index; WHR: Waist-to-hip circumference ratio; WC: Waist circumference; VAT: Visceral adipose tissue; SAT: Subcutaneous adipose tissue.