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. 2022 Mar 1;12(3):e054490. doi: 10.1136/bmjopen-2021-054490

Table 1.

Prospectively chosen parameters chosen for inclusion, subdivided into data obtained prospectively from clinical records, and data obtained from questionnaire sent 1 month after diagnosis

Variable All recruits Respondents to questionnaire sent 1 month after diagnosis
All (737) Missings All (492) Missings
Data from clinical records
Final diagnosis
 Miscarriage 537 (73%) 0 (0%) 366 (74%) 0 (0%)
 Ectopic 116 (16%) 0 (0%) 75 (15%) 0 (0%)
 Resolved PUL 84 (11%) 0 (0%) 51 (10%) 0 (0%)
Age (in years) 34 (5) 0 (0%) 35 (5) 0 (0%)
IVF this pregnancy 50 (7%) 0 (0%) 38 (8%) 0 (0%)
Gestation at diagnosis 65.4 (20.0) 130 (18%) 66.3 (19.5) 84 (17%)
Nights admission 0.3 (0.7) 12 (2%) 0.3 (0.7) 2 (0.4%)
Nights admission (yes vs no) 163 (22%) 12 (2%) 100 (20%) 2 (0.4%)
Days from first scan to diagnosis 5.0 (7.7) 13 (2%) 5.1 (7.4) 6 (1%)
Final management
 Medical management 73 (10%) 12 (2%) 45 (9%) 2 (0.4%)
 Surgical management 408 (56%) 12 (2%) 291 (59%) 2 (0.4%)
 No treatment needed 244 (34%) 12 (2%) 154 (31%) 2 (0.4%)
Fetal heart (misc only)
 Yes 126 (23%) 4 (1%) 84 (23%) 3 (1%)
 No 407 (76%) 4 (1%) 279 (77%) 3 (1%)
Data from first questionnaire
Highest level of education
 No formal qualifications 6 (1%) 233 (32%) 6 (1%) 0 (0%)
 GCSEs (or equivalent) 41 (8%) 233 (32%) 41 (8%) 0 (0%)
 A levels (or equivalent) 52 (10%) 233 (32%) 50 (10%) 0 (0%)
 Uni degree/prof. qualif. 278 (55%) 233 (32%) 271 (55%) 0 (0%)
 Postgraduate/PhD 127 (25%) 233 (32%) 124 (25%) 0 (0%)
Time taken to conceive
 Not planned 110 (22%) 240 (33%) 110 (22%) 0 (0%)
 ≤1 year 305 (61%) 240 (33%) 301 (61%) 0 (0%)
 >1 year 82 (16%) 240 (33%) 81 (16%) 0 (0%)
Psych disorder
 Currently 21 (4%) 236 (32%) 20 (4%) 3 (1%)
 In the past 86 (17%) 236 (32%) 83 (17%) 3 (1%)
 No 394 (79%) 236 (32%) 386 (79%) 3 (1%)
Any previous pregnancy loss 264 (46%) 162 (22%) 182 (37%) 0 (0%)
Any previous termination 161 (23%) 25 (3%) 121 (25%) 0 (0%)
Any previous children 316 (44%) 24 (3%) 203 (41%) 0 (0%)
Ethnicity
 Asian 50 233 (32%) 48 0 (0%)
 Black 53 233 (32%) 51 0 (0%)
 Other 53 233 (32%) 52 0 (0%)
 White British 187 233 (32%) 185 0 (0%)
 White other 161 233 (32%) 156 0 (0%)

GCSE, General Certificate of Secondary Education; IVF, in vitro fertilisation; PUL, pregnancy of unknown location.