Table 4

 Standardised mortality ratios for patients stratified by rheumatoid factor status at time of diagnosis

Cause of deathFemale patientsMale patients
Seropositive (n = 528)Seronegative (n = 183)Seropositive (n = 528)Seronegative (n = 183)
ObsExpSMR95% CIObsExpSMR95% CIObsExpSMR95% CIObsExpSMR95% CI
CI, confidence interval; CVD, cardiovascular disease; Exp, expected; IHD, ischaemic heart disease; MI, myocardial infarction; Obs, observed; SMR, standardised mortality ratio.
All causes250123.002.031.79 to 2.297855.481.411.11 to 1.7511869.041.711.41 to 2.052428.730.830.53 to 1.24
CVD11755.742.101.73 to 2.514125.821.591.14 to 2.155132.011.591.19 to 2.091113.480.810.41 to 1.46
IHD6429.402.181.67 to 2.781913.131.440.87 to 2.263420.461.661.15 to 2.3288.210.970.41 to 1.91
MI3718.532.001.41 to 2.75107.981.250.60 to 2.302213.671.611.01 to 2.4445.210.770.21 to 1.96
Respiratory3915.672.491.77 to 3.40127.781.540.79 to 2.69239.792.341.49 to 3.5234.720.640.13 to 1.86
Neoplasms3933.71.160.82 to 1.581313.240.980.52 to 1.682819.341.450.96 to 2.0987.421.080.46 to 2.12