Table 1.

Means and Mean square errors (in parentheses; ×10⁴) of τ̂₁ (IPCW) and τ̂_W (WW) and their resulting conditional survival estimates

n	cf₁ cf₂	τ	τ̂		Ŝ(y₁∣X = x₀)		Ŝ(y₂∣X = x₀)		Ŝ(y₃∣X = x₀)		Ŝ(y₄∣X = x₀)

			IPCW	WW	IPCW	WW	IPCW	WW	IPCW	WW	IPCW	WW
100	15% 30%	0.2	0.187 (6.7)	0.229 (19.0)	0.201 (4.9)	0.179 (8.0)	0.405 (7.2)	0.374 (13.2)	0.601 (7.7)	0.570 (14.2)	0.801 (6.0)	0.780 (9.5)
		0.5	0.492 (4.1)	0.547 (25.7)	0.210 (8.6)	0.175 (13.2)	0.410 (14.9)	0.354 (27.3)	0.618 (18.7)	0.557 (34.8)	0.809 (16.0)	0.748 (29.9)
		0.8	0.797 (1.0)	0.849 (23.4)	0.232 (28.5)	0.203 (35.6)	0.401 (44.8)	0.352 (63.9)	0.547 (50.2)	0.481 (88.3)	0.670 (56.6)	0.592 (115.6)

	20% 40%	0.2	0.185 (9.1)	0.231 (37.0)	0.193 (7.1)	0.175 (11.1)	0.398 (10.3)	0.367 (19.6)	0.599 (10.9)	0.566 (21.9)	0.801 (7.7)	0.774 (15.3)
		0.5	0.484 (5.0)	0.540 (40.9)	0.201 (10.3)	0.174 (16.9)	0.409 (26.8)	0.360 (36.0)	0.615 (26.8)	0.548 (46.32)	0.808 (21.1)	0.736 (34.6)
		0.8	0.791 (1.3)	0.830 (36.6)	0.246 (42.8)	0.259 (57.4)	0.401 (54.9)	0.401 (76.6)	0.503 (64.9)	0.478 (95.5)	0.620 (84.7)	0.575 (135.4)

200	15% 30%	0.2	0.195 (3.3)	0.218 (8.3)	0.199 (2.5)	0.185 (4.0)	0.399 (3.3)	0.380 (5.9)	0.604 (3.2)	0.587 (5.3)	0.805 (2.7)	0.795 (3.7)
		0.5	0.495 (2.1)	0.522 (11.3)	0.204 (3.3)	0.183 (6.8)	0.411 (7.1)	0.379 (13.8)	0.608 (8.3)	0.577 (15.4)	0.804 (7.0)	0.780 (11.2)
		0.8	0.797 (0.4)	0.824 (9.8)	0.216 (14.0)	0.188 (21.3)	0.417 (32.0)	0.365 (48.9)	0.587 (35.7)	0.531 (62.1)	0.821 (34.7)	0.667 (65.6)

	20% 40%	0.2	0.188 (4.4)	0.205 (15.9)	0.194 (3.8)	0.185 (6.4)	0.397 (5.3)	0.383 (10.1)	0.599 (5.5)	0.584 (10.3)	0.800 (4.0)	0.789 (7.3)
		0.5	0.490 (2.5)	0.515 (18.3)	0.204 (5.9)	0.186 (10.8)	0.412 (11.7)	0.381 (15.7)	0.608 (13.9)	0.575 (24.7)	0.801 (9.2)	0.777 (17.9)
		0.8	0.795 (0.5)	0.821 (21.6)	0.228 (26.5)	0.227 (37.5)	0.415 (45.8)	0.394 (63.8)	0.548 (50.0)	0.519 (75.4)	0.664 (61.0)	0.623 (103.4)