Table 2.

Comparison of systemic sclerosis survival probabilities and median survival time across ethnicities.

Probability of SurvivalEuropean-descent WhiteAfro-CaribbeanSouth AsianEast AsianHispanicArabFirst NationsPersian
1-yr98 (97–99)97 (92–100)95 (90–100)99 (96–100)96 (89–100)100 (100)100 (100)100 (100)
2-yr96 (95–97)89 (82–98)92 (85– 99)97 (94–100)96 (89–100)100 (100)100 (100)100 (100)
3-yr94 (93–96)89 (82–98)90 (83–98)97 (94–100)96 (89–100)100 (100)87 (67–100)100 (100)
4-yr91 (89–94)88 (79–97)88 (80–97)94 (89–100)96 (89–100)100 (100)87 (67–100)100 (100)
5-yr89 (86–91)88 (79–97)88 (80–97)94 (89–100)96 (89–100)100 (100)87 (67–100)100 (100)
10-yr78 (74–81)72 (60–87)78 (67–91)75 (64–88)89 (76–100)71 (45–100)87 (67–100)100 (100)
15-yr69 (65–73)67 (53–85)74 (61–89)72 (60–86)81 (63–100)71 (45–100)58 (25–100)100 (100)
20-yr55 (51–60)61 (46–82)53 (32–87)68 (55–84)81 (63–100)0.0 (0)58 (25–100)100 (100)
Median survival time, yrs (IQR)22 (20–25)22 (18–NA)NA (19–NA)43 (NA)NA (NA)15 (8–NA)NA (11–NA)NA (NA)
  • Values are expressed as % (95% CI) unless otherwise indicated. Survival rates and median survival rates were determined using Kaplan-Meier analyses. NA: not available; IQR: interquartile range.