. 2015 Feb 19;93(4):249–258. doi: 10.2471/BLT.14.143990

Table 4. Sensitivity analysis of medical abortion provided by nurses or physicians in Mexico City, 2012–2013.

Scenario^a	Physicians’ group		Nurses’ group		Difference, % (95% CI)
Scenario^a	N	No. (%) completed abortion^b	N	No. (%) completed abortion^b	Difference, % (95% CI)
Scenario 1
Treated women without observed outcome	21	21 (100.0)	28	22 (78.6)	NA
All treated women	471	464 (98.5)	462	447 (96.8)	1.8 (−0.4 to 3.9)
Scenario 2
Treated women without observed outcome	21	21 (100.0)	28	20 (71.4)	NA
All treated women	471	464 (98.5)	462	445 (96.3)	2.2 (−0.1 to 4.4)

CI: confidence interval; NA: not applicable.

^a Based on observed success rates, we assumed a 100% success rate for women lost to follow-up in both scenarios in the physicians’ group. For the nurses’ group we assumed 78.6% and 71.4% success rates in the first and second scenario, respectively.

^b Without the need for surgical intervention.