Table 5.

Effects of Randomization to DRA vs Conventional TRA on Sheath Insertion Time Across Tertiles of Anthropometric Measures

	Unadjusted LS Means Difference (95% CI)	P Value for Interaction	Adjusted LS Means Difference (95% CI)	P Value for Interaction
Body weight
1st tertile DRA vs conventional TRA (n = 456)	0.250 min (0.112-0.389 min)	0.651	0.253 min (0.115-0.391 min)	0.781
2nd tertile DRA vs conventional TRA (n = 418)	0.280 min (0.135-0.425 min)		0.286 min (0.141-0.431 min)
3rd tertile DRA vs conventional TRA (n = 429)	0.186 min (0.042-0.329 min)		0.178 min (0.035-0.321 min)
Body height
1st tertile DRA vs conventional TRA (n = 443)	0.273 min (0.132-0.413 min)	0.087	0.277 min (0.136-0.417 min)	0.067
2nd tertile DRA vs conventional TRA (n = 447)	0.327 min (0.186-0.467 min)		0.328 min (0.188-0.467 min)
3rd tertile DRA vs conventional TRA (n = 411)	0.106 min (−0.039 to 0.252 min)		0.099 min (−0.047 to 0.244 min)
BMI
1st tertile DRA vs conventional TRA (n = 434)	0.223 min (0.081-0.365 min)	0.971	0.221 min (0.079-0.363 min)	0.963
2nd tertile DRA vs conventional TRA (n = 454)	0.243 min (0.103-0.382 min)		0.246 min (0.107-0.384 min)
3rd tertile DRA vs conventional TRA (n = 413)	0.246 min (0.099-0.393 min)		0.246 min (0.100-0.393 min)
BSA
1st tertile DRA vs conventional TRA (n = 436)	0.297 min (0.155-0.439 min)	0.515	0.296 min (0.155-0.438 min)	0.465
2nd tertile DRA vs conventional TRA (n = 433)	0.238 min (0.095-0.380 min)		0.246 min (0.104-0.388 min)
3rd tertile DRA vs conventional TRA (n = 432)	0.179 min (0.037-0.322 min)		0.171 min (0.028-0.313 min)

Values are Log(sheath insertion time + 1).

LS = least squares; other abbreviations as in Table 2.