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Table 1 Demographics – overall population

From: Capnography sensor use is associated with reduction of adverse outcomes during gastrointestinal endoscopic procedures with sedation administration

Characteristic Inpatient (n = 258,262) Outpatient (n = 3,807,151)
SpO2 Only (n = 19,308) Capnography Only (n = 4258) SpO2 and Capnography (n = 888) Neither (n = 233,808) SpO2 Only (n = 131,292) Capnography Only (n = 59,256) SpO2 and Capnography (n = 3059) Neither (n = 3,613,544)
Age
 Overall 63.43 ± 18.42 64.12 ± 17.19 65.02 ± 17.05 64.33 ± 17.52 53.36 ± 20.91 58.35 ± 14.70 57.95 ± 15.24 57.54 ± 15.31
 80+ 3961 (21%) 854 (20%) 204 (23%) 50,707 (22%) 8260 (6%) 3249 (5%) 183 (6%) 200,883 (6%)
 71–80 3886 (20%) 911 (21%) 168 (19%) 47,930 (21%) 18,818 (14%) 9147 (15%) 458 (15%) 515,643 (14%)
 61–70 3733 (19%) 817 (19%) 181 (20%) 43,336 (19%) 27,376 (21%) 14,813 (25%) 729 (24%) 857,286 (24%)
 51–60 3399 (18%) 731 (17%) 158 (18%) 40,155 (17%) 30,363 (23%) 16,354 (28%) 792 (26%) 1,038,536 (28%)
 41–50 2193 (11%) 517 (12%) 105 (12%) 27,244 (12%) 17,515 (13%) 8913 (15%) 520 (17%) 55,431 (15%)
 31–40 1039 (5%) 237 (6%) 48 (5%) 14,190 (6%) 8924 (7%) 3852 (7%) 223 (7%) 233,897 (6%)
 18–30 752 (4%) 183 (4%) 17 (2%) 9253 (4%) 6412 (5%) 2597 (4%) 119 (4%) 158,524 (4%)
  < 18 345 (2%) 8 (0%) 7 (1%) 993 (0%) 13,624 (10%) 331 (1%) 35 (1%) 53,344 (1%)
CCI
 Overall 2.59 ± 2.49 2.53 ± 2.48 2.57 ± 2.47 2.52 ± 2.46 0.51 ± 1.04 0.45 ± 0.97 0.79 ± 1.20 0.39 ± 0.90
  > 2 8163 (42%) 1743 (41%) 368 (41%) 95,025 (41%) 6283 (5%) 2310 (4%) 228 (7%) 119,647 (3%)
 2 2990 (15%) 637 (15%) 148 (17%) 36,636 (16%) 8371 (6%) 3302 (6%) 331 (11%) 171,185 (5%)
 1 3722 (19%) 894 (21%) 169 (19%) 49,112 (21%) 24,123 (18%) 10,705 (18%) 824 (27%) 571,858 (16%)
 0 4433 (23%) 984 (23%) 203 (23%) 53,035 (23%) 92,515 (70%) 42,939 (72%) 1676 (55%) 2,750,854 (76%)
APR severity of illness
 1 = mild 1751 (9%) 443 (10%) 87 (10%) 23,466 (10%) 0 (0%) 0 (0%) 0 (0%) 0 (0%)
 2 = moderate 5621 (29%) 1428 (34%) 304 (34%) 75,251 (32%) 0 (0%) 0 (0%) 0 (0%) 0 (0%)
 3 = severe 8283 (43%) 1816 (43%) 360 (41%) 98,750 (42%) 0 (0%) 0 (0%) 0 (0%) 0 (0%)
 4 = extreme 3653 (19%) 571 (13%) 137 (15%) 36,341 (16%) 0 (0%) 0 (0%) 0 (0%) 0 (0%)
Gender
 Female 9975 (52%) 2224 (52%) 450 (51%) 124,726 (53%) 74,730 (57%) 33,635 (57%) 1867 (61%) 2,024,108 (56%)
 Male 9333 (48%) 2034 (48%) 438 (49%) 109,082 (47%) 56,562 (43%) 25,621 (43%) 1192 (39%) 1,589,436 (44%)
Race
 White 14,032 (73%) 2837 (67%) 580 (65%) 158,011 (68%) 101,037 (77%) 45,307 (76%) 2689 (88%) 2,637,723 (73%)
 Black 2756 (14%) 731 (17%) 177 (20%) 34,632 (15%) 11,813 (9%) 6380 (11%) 284 (9%) 304,535 (8%)
 Hispanic 385 (2%) 77 (2%) 87 (10%) 7084 (3%) 3987 (3%) 1234 (2%) 0 (0%) 66,752 (2%)
 Other 2135 (11%) 613 (14%) 44 (5%) 34,081 (15%) 14,455 (11%) 6335 (11%) 86 (3%) 604,534 (17%)
Comorbidity
 HTN 12,079 (63%) 2747 (65%) 582 (66%) 144,259 (62%) 40,244 (31%) 18,788 (32%) 1451 (47%) 972,692 (27%)
 Diabetes 5930 (31%) 1354 (32%) 274 (31%) 71,495 (31%) 17,501 (13%) 7797 (13%) 615 (20%) 393,796 (11%)
 COPD 4727 (25%) 1031 (24%) 209 (24%) 55,507 (24%) 11,656 (9%) 4524 (8%) 570 (19%) 254,671 (7%)
 CRF 4070 (21%) 873 (21%) 183 (21%) 46,587 (20%) 1658 (1%) 593 (1%) 63 (2%) 35,807 (1%)
 CHF 3688 (19%) 681 (16%) 148 (17%) 41,238 (18%) 2281 (2%) 665 (1%) 113 (4%) 33,729 (1%)
 PUD 2748 (14%) 577 (14%) 98 (11%) 33,639 (14%) 5453 (4%) 2045 (4%) 162 (5%) 111,461 (3%)
 Obesity 2125 (11%) 461 (11%) 100 (11%) 25,189 (11%) 6027 (5%) 1644 (3%) 143 (5%) 130,982 (4%)
 Cancer 1895 (10%) 449 (11%) 86 (10%) 23,155 (10%) 3970 (3%) 1611 (3%) 85 (3%) 85,219 (2%)
 MLD 2011 (10%) 417 (10%) 98 (11%) 23,108 (10%) 1913 (2%) 808 (1%) 63 (2%) 39,733 (1%)
 MSLD 2009 (10%) 399 (9%) 91 (10%) 22,687 (10%) 2193 (2%) 917 (2%) 66 (2%) 43,521 (1%)
 MI 1713 (9%) 348 (8%) 72 (8%) 21,179 (9%) 2171 (2%) 982 (2%) 115 (4%) 49,888 (1%)
 CVD 1303 (7%) 256 (6%) 54 (6%) 15,601 (7%) 764 (1%) 183 (<1%) 36 (1%) 11,995 (<1%)
 PVD 1406 (7%) 281 (7%) 63 (7%) 15,224 (7%) 1081 (1%) 340 (1%) 57 (2%) 17,958 (<1%)
 MST 916 (5%) 218 (5%) 50 (6%) 11,248 (5%) 496 (<1%) 190 (<1%) 13 (<1%) 9539 (<1%)
 RA 657 (3%) 144 (3%) 16 (2%) 8177 (4%) 1453 (1%) 693 (1%) 60 (2%) 29,597 (1%)
 Dementia 172 (1%) 24 (1%) 12 (1%) 2127 (1%) 39 (<1%) 19 (<1%) 2 (<1%) 733 (<1%)
 Paralysis 172 (1%) 29 (1%) 7 (1%) 2334 (1%) 91 (<1%) 23 (<1%) 6 (<1%) 1459 (<1%)
 AIDS 65 (<1%) 15 (<1%) 10 (1%) 978 (<1%) 72 (<1%) 27 (<1%) 2 (<1%) 1687 (<1%)
Region
 E. N. Central 707 (4%) 864 (20%) 19 (2%) 36,866 (16%) 900 (1%) 7311 (12%) 30 (1%) 747,309 (21%)
 E. S. Central 2175 (11%) 7 (<1%) 41 (5%) 12,738 (5%) 22,514 (17%) 113 (<1%) 1886 (62%) 218,449 (6%)
 M. Atlantic 1097 (6%) 12 (<1%) 0 (0%) 23,470 (10%) 148 (<1%) 8 (<1%) 0 (0%) 195,389 (5%)
 Mountain 434 (2%) 370 (9%) 0 (0%) 11,684 (5%) 1029 (1%) 2959 (5%) 2 (<1%) 205,205 (6%)
 New England 446 (2%) 108 (3%) 0 (0%) 8113 (3%) 2281 (2%) 7431 (13%) 1 (<1%) 193,418 (5%)
 Pacific 1584 (8%) 380 (9%) 23 (3%) 34,221 (15%) 11,604 (9%) 3170 (5%) 69 (2%) 572,954 (16%)
 S. Atlantic 8637 (45%) 2122 (50%) 745 (84%) 67,627 (29%) 53,391 (41%) 31,137 (53%) 776 (25%) 884,648 (24%)
 W. N. Central 603 (3%) 80 (2%) 8 (1%) 16,276 (7%) 8190 (6%) 355 (1%) 7 (<1%) 370,834 (10%)
 W. S. Central 3625 (19%) 315 (7%) 52 (6%) 22,813 (10%) 31,235 (24%) 6772 (11%) 288 (9%) 225,338 (6%)
Teaching Hospital
 Yes 8672 (45%) 804 (19%) 130 (15%) 88,195 (38%) 41,105 (31%) 9659 (16%) 491 (16%) 1,117,242 (31%)
Hospital Bed size
  < 250 2523 (13%) 822 (19%) 81 (9%) 52,543 (22%) 38,376 (29%) 17,738 (30%) 1968 (64%) 1303,833 (36%)
 250–500 7752 (40%) 2571 (60%) 257 (29%) 112,743 (48%) 25,602 (20%) 33,685 (57%) 1022 (33%) 1,672,591 (46%)
 500 + 9033 (47%) 865 (20%) 550 (62%) 68,522 (29%) 67,314 (51%) 7833 (13%) 69 (2%) 637,120 (18%)
Hospital Location
 Rural 2320 (12%) 1124 (26%) 47 (5%) 26,096 (11%) 27,118 (21%) 8916 (15%) 44 (1%) 598,635 (17%)
 Urban 16,988 (88%) 3134 (74%) 841 (95%) 207,712 (89%) 104,174 (79%) 50,340 (85%) 3015 (99%) 3,014,909 (83%)