Table 6. Probability of major complications for different CRP levels, with the probability of the upper cut-off of 215 mg/L depicted.

CRP level	Probability	95% confidence interval
mg/L	%	Lower	Upper
50	3.94%	2.51%	6.13%
75	5%	3.33%	7.55%
100	6.51%	4.46%	9.39%
150	10.77%	7.83%	14.64%
200	17.16%	12.85%	22.53%
215	20.00%	14.70%	25.60%
250	26.42%	19.96%	34.10%
300	37.88%	28.63%	48.10%
350	52.48%	40.07%	64.59%
400	62.98%	48.98%	75.09%