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. 2023 Oct 24;11(5):E969–E981. doi: 10.9778/cmajo.20230017

Table 2:

Patient and emergency department visit characteristics and outcomes for patients with ectopic pregnancy

Characteristic No. (%) of patients* Standardized difference
Total
n = 7776
Pandemic period
n = 2490
Control period
n = 5286
Demographics
Age, yr
 18–64 7776 (100.0) 2490 (100.0) 5286 (100.0)
Sex
 Female 7776 (100.0) 2490 (100.0) 5286 (100.0)
Rural
 Urban 7258 (94.2) 2321 (94.2) 4937 (94.1) 0
 Rural 450 (5.8) 142 (5.8) 308 (5.9) 0
Income quintile
 1 (high) 1977 (25.5) 632 (25.4) 1345 (25.5) 0
 2 1710 (22.0) 558 (22.4) 1152 (21.8) 0.02
 3 1562 (20.1) 532 (21.4) 1030 (19.5) 0.05
 4 1428 (18.4) 438 (17.6) 990 (18.7) 0.03
 5 (low) 1091 (14.0) 326 (13.1) 765 (14.5) 0.04
Comorbidities
ADG score
 Mean ± SD 9.10 ± 4.03 8.77 ± 4.05 9.25 ± 4.01 0.12
 Median (IQR) 9 (6–12) 9 (6–12) 9 (7–12) 0.12
Coronary artery disease 21 (0.3) 7 (0.3) 14 (0.3) 0
Chronic obstructive pulmonary disease 17 (0.2) 7 (0.3) 10 (0.2) 0.02
Congestive heart failure 0 0 0 0
Diabetes mellitus 208 (2.7) 59 (2.4) 149 (2.8) 0.03
Hypertension 228 (2.9) 58 (2.3) 170 (3.2) 0.05
Asthma 1485 (19.1) 450 (18.1) 1035 (19.6) 0.04
Cancer 21 (0.3) 7 (0.3) 14 (0.3) 0
Stroke 7 (0.1) ≤ 5 ≤ 10 0.03
Liver failure 6 (0.1) ≤ 5 ≤ 5 0
Renal failure 15 (0.2) ≤ 5 ≤ 15 0.04
ED characteristics
Weekday ED visit (Monday to Friday) 6007 (77.3) 1921 (77.1) 4086 (77.3) 0
Time of ED visit
 Day (08:00–16:59) 4868 (62.6) 1604 (64.4) 3264 (61.7) 0.06
 Evening (17:00–23:59) 2217 (28.5) 687 (27.6) 1530 (28.9) 0.03
 Night (00:00–07:59) 691 (8.9) 199 (8.0) 492 (9.3) 0.05
Hospital type
 Community 5934 (76.3) 1919 (77.1) 4015 (76.0) 0.03
 Small 237 (3.0) 89 (3.6) 148 (2.8) 0.04
 Teaching 1605 (20.6) 482 (19.4) 1123 (21.2) 0.05
Outcomes
Ambulance arrival 501 (6.4) 195 (7.8) 306 (5.8) 0.08
Hospital admission 2287 (29.4) 753 (30.2) 1534 (29.0) 0.03
Surgery 1877 (82.1) 637 (84.6) 1240 (80.8) 0.1
Hospital admission within 30 d of discharge 771 (9.9) 232 (9.3) 539 (10.2) 0.03
30-d mortality ≤ 5 (0.0)

Note: ADG = adjusted diagnostic group, ED = emergency department, IQR = interquartile range, SD = standard deviation.

*

Unless indicated otherwise. Some cells have been suppressed to prevent back calculation of low cell volumes.