Table 4.

Prevalence of PTSD among women with or without severe maternal morbidity (SMM) according to criteria used for analysis of the PCL-C instrument stratified by time since delivery until interview.

Time since delivery	With SMM		Without SMM		p-values*
	n	%	n	%
5 years (2008)
Criteria for cluster	11	37.9	13	41.9	0.752
Cut-off ≥40	11	37.9	13	41.9	0.752
Cut-off ≥50	7	24.1	4	12.9	0.261
4 years (2009)
Criteria for cluster	59	53.2	47	50.0	0.653
Cut-off ≥40 *	55	49.5	41	43.6	0.404
Cut-off ≥50 *	31	27.9	21	22.3	0.421
3 years (2010)
Criteria for cluster	51	57.3	56	52.8	0.532
Cut-off ≥40	49	55.1	51	48.1	0.334
Cut-off ≥50	30	33.7	27	25.5	0.208
2 years (2011)
Criteria for cluster	51	57.3	72	58.5	0.857
Cut-off ≥40	46	51.7	63	51.2	0.947
Cut-off ≥50	26	29.2	47	38.2	0.174
1 year (2012)
Criteria for cluster	35	55.6%	24	43.6%	0.196
Cut-off ≥40	35	55.6%	23	41.8%	0.136
Cut-off ≥50	19	30.2%	13	23.6%	0.427

^*χ² or Fisher’s Exact test.