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. 2001 Oct 23;2001(4):CD002900. doi: 10.1002/14651858.CD002900

Comparison 2. Flexibel versus rigid vacuum aspiration cannula.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Uterine perforation 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
1.1 Amenorrhoea <9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
1.2 Amenorrhoea >9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
1.3 Duration of amenorrhoea not defined 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
2 Cervical injury 1 296 Risk Ratio (M‐H, Fixed, 95% CI) 2.92 [0.12, 71.12]
2.1 Amenorrhoea <9 weeks (approximately) 1 296 Risk Ratio (M‐H, Fixed, 95% CI) 2.92 [0.12, 71.12]
2.2 Amenorrhoea >9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
2.3 Duration of amenorrhoea not defined 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
3 Excessive blood loss as defined by trial authors 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
3.1 Amenorrhoea <9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
3.2 Amenorrhoea >9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
3.3 Duration of amenorrhoea not defined 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
4 Febrile morbidity as defined by trial authors 1 296 Risk Ratio (M‐H, Fixed, 95% CI) 1.56 [0.52, 4.65]
4.1 Amenorrhoea <9 weeks (approximately) 1 296 Risk Ratio (M‐H, Fixed, 95% CI) 1.56 [0.52, 4.65]
4.2 Amenorrhoea >9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
4.3 Duration of amenorrhoea not defined 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
5 Duration of operation 0 0 Mean Difference (IV, Fixed, 95% CI) 0.0 [0.0, 0.0]
5.1 Amenorrhoea <9 weeks (approximately) 0 0 Mean Difference (IV, Fixed, 95% CI) 0.0 [0.0, 0.0]
5.2 Amenorrhoea >9 weeks (approximately) 0 0 Mean Difference (IV, Fixed, 95% CI) 0.0 [0.0, 0.0]
5.3 Duration of amenorrhoea not defined 0 0 Mean Difference (IV, Fixed, 95% CI) 0.0 [0.0, 0.0]
6 Blood transfusion 1 296 Risk Ratio (M‐H, Fixed, 95% CI) 0.32 [0.01, 7.90]
7 Abdominal pain postoperatively 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
7.1 Amenorrhoea <9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
7.2 Amenorrhoea >9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
7.3 Duration of amenorrhoea not defined 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
8 Non‐routine analgesic use postoperatively 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
8.1 Amenorrhoea <9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
8.2 Amenorrhoea >9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
8.3 Duration of amenorrhoea not defined 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
9 Non‐routine uterotonic use postoperatively 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
9.1 Amenorrhoea <9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
9.2 Amenorrhoea >9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
9.3 Duration of amenorrhoea not defined 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
10 Non‐routine antibiotic use postoperatively 1 296 Risk Ratio (M‐H, Fixed, 95% CI) 0.97 [0.14, 6.82]
10.1 Amenorrhoea <9 weeks (approximately) 1 296 Risk Ratio (M‐H, Fixed, 95% CI) 0.97 [0.14, 6.82]
10.2 Amenorrhoea >9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
10.3 Duration of amenorrhoea not defined 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
11 Incomplete evacuation 1 296 Risk Ratio (M‐H, Fixed, 95% CI) 2.43 [0.48, 12.34]
11.1 Amenorrhoea <9 weeks (approximately) 1 296 Risk Ratio (M‐H, Fixed, 95% CI) 2.43 [0.48, 12.34]
11.2 Amenorrhoea >9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
11.3 Duration of amenorrhoea not defined 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
12 Repeat uterine evacuation procedure 1 296 Risk Ratio (M‐H, Fixed, 95% CI) 1.36 [0.44, 4.20]
12.1 Amenorrhoea <9 weeks (approximately) 1 296 Risk Ratio (M‐H, Fixed, 95% CI) 1.36 [0.44, 4.20]
12.2 Amenorrhoea >9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
12.3 Duration of amenorrhoea not defined 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
13 Hospital stay >24 hours 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
13.1 Amenorrhoea <9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
13.2 Amenorrhoea >9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
13.3 Duration of amenorrhoea not defined 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
14 Re‐hospitalisation 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
14.1 Amenorrhoea <9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
14.2 Amenorrhoea >9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
14.3 Duration of amenorrhoea not defined 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
15 Death 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
15.1 Amenorrhoea <9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
15.2 Amenorrhoea >9 weeks (approximately) 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
15.3 Duration of amenorrhoea not defined 0 0 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]